The Hidden World Of Plant Intelligence

Primary Topic

This episode delves into the complex intelligence and sensory capabilities of plants, exploring recent scientific discoveries that challenge conventional notions of consciousness and intelligence.

Episode Summary

In "The Hidden World of Plant Intelligence," host Tanya Moseley and guest Zoe Schlanger discuss the emerging field of plant intelligence research. They explore how plants communicate, sense their environment, and even exhibit forms of memory and decision-making, akin to a form of intelligence. The episode illuminates the debate among scientists about whether plants possess consciousness and the implications of these findings for understanding life on Earth. The discussion also touches on the ethical considerations of plant treatment, especially in agriculture, and the broader implications for environmental conservation.

Main Takeaways

  1. Plants display complex behaviors that can be seen as forms of intelligence, such as communication through chemical signals and sensory responses to their environment.
  2. The concept of plant consciousness is still controversial and lacks a consensus among scientists.
  3. Plants are capable of remembering and learning from their experiences, influencing their behavior and interactions with their environment.
  4. The study of plant intelligence challenges traditional views of intelligence and consciousness, typically reserved for animals with nervous systems.
  5. Ethical considerations regarding the treatment of plants are emerging, especially in the context of agricultural practices.

Episode Chapters

1: Introduction to Plant Intelligence

Exploring the resurgence in research into plant intelligence, sparked by new findings that suggest plants have complex and interactive behaviors. Zoe Schlanger: "Scientists are now debating the possibility that plants could have forms of intelligence and consciousness."

2: Mechanisms of Plant Communication

Discussion on how plants communicate using chemical signals and the implications of these findings for understanding plant communities. Zoe Schlanger: "Plants can emit chemicals that warn neighboring plants of potential threats, essentially 'talking' through chemical signals."

3: The Ethical Implications

Examines the ethical implications of plant intelligence research, including how it might influence agricultural practices and plant treatment. Zoe Schlanger: "Understanding plant intelligence could change the way we think about agriculture and our ethical responsibilities towards plants."

Actionable Advice

  1. Increase plant diversity in personal gardens to support plant communication and benefit overall plant health.
  2. Consider the impact of pesticides and try integrating more natural pest management strategies.
  3. Educate others about the capabilities of plants to foster greater appreciation and conservation efforts.
  4. Support research and initiatives that explore plant behavior and intelligence.
  5. Be mindful of plant health by avoiding unnecessary harm, such as over-pruning or excessive use of chemicals.

About This Episode

Climate journalist Zoë Schlanger explains the fascinating science behind how plants learn, communicate, and adapt to survive. She says plants can store memories, trick animals into not eating them, and even send alarm calls to other plants. Her new book is called The Light Eaters.

TV critic David Bianculli reviews the new Netflix series A Man in Full, starring Jeff Daniels and Diane Lane.

People

Zoe Schlanger, Tanya Moseley

Companies

None

Books

"The Light: How the Unseen World of Plant Intelligence Offers a New Understanding of Life on Earth"

Guest Name(s):

Zoe Schlanger

Content Warnings:

None

Transcript

Tanya Moseley

This is FRESH AIR. I'm Tanya Moseley. Back in the seventies, there were these questionable experiments that claimed to prove that plants could behave like humans, that they had feelings or could respond to music or even take a polygraph test. Now, most of those claims have since been debunked, but a new wave of research suggests that plants are indeed intelligent in complex ways that challenge our very understanding of agency and consciousness. That's the subject of a new book written by climate journalist Zoe Schlanger called the Light.

How the unseen World of Plant Intelligence offers a new understanding of life on earth. In the book, Schlanger explores how plants do indeed communicate with each other, see and recognize other plants, store memories, and even learn. Schlanger traveled around the world to explore the work of botanical researchers, to understand the debate among them on how to interpret the latest findings, which are sometimes at odds with our conception, what a plant actually is. Zoe Schlanger is a staff reporter at the Atlantic, where she covers climate change. She also writes the newsletter the weekly Planet, which tells the story of life on a changing planet.

Her work has appeared in various publications, including the New York Times and the New York Review of Books. Zoe Schlanger, welcome to Fresh Air. It's wonderful to be with you. I really enjoyed this book. Very fascinating.

And, you know, from the moment I started to read it, I was thinking about how plant intelligence has been for such a long time, a highly contested idea, especially after some of that debunked research from the seventies. What made you say to yourself, I've got to pick up this field of study and explore this new science behind this idea of plant intelligence? Yeah. So, as you said, I cover climate change. And a few years ago, I was feeling really burnt out.

Zoe Schlanger

I'm sure, as anyone can relate to, climate is a harrowing subject. And my editor realized that I needed a bit of a change. And he was just like, go find something else to cover. And I've always been interested in plants. And I started perusing botany journals on my lunch hour and after work, and I noticed something that really made me fall off my chair the first time I saw it, which was that at this exact moment I was looking.

Botanists were debating the possibility that plants were intelligent. And as any science journalist knows, or any scientist, science is an incredibly conservative field. Scientists don't want to be misconstrued. They tend to avoid using words that are mushy or can have multiple meanings. And so the fact that they were using words like intelligence and consciousness and having this rigorous debate among themselves, I knew that would be a huge story, and not one that I had seen break out of the realm of botany journals and academia into the public realm.

Tanya Moseley

Yet that's really fascinating that they're using the word intelligence. It seems like a phrase that we can all understand. We know animals, for instance, have unique intelligence that isn't human. In what you were reading, though, is there a consensus about what consciousness means as it relates to plants? Absolutely not.

Zoe Schlanger

I mean, consciousness is a fascinating thing, because we don't have any consensus for what it means, even in ourselves. You and I can. Yeah, you and I can completely feel our own consciousness, but we actually have no way to make certain that anyone else is conscious. We observe consciousness in humans just through inference, through watching behavior, or asking a person questions. And we barely have extended consciousness to the world of animals.

At this point, I think we're all comfortable with the idea that a dog is. Most of us have had an experience with an animal that, to us, would confirm its consciousness. But in terms of science and philosophy and neurobiology, it's still a bit of an open question. I mean, actually, I'm in New York, and just a couple weeks ago at NYU, there was a conference of biologists and philosophers, and they put out a declaration that sort of extends the possibility of consciousness to insects and fish and crustaceans. So that's just brand new.

And that was an extension of another declaration in 2012 that extended consciousness to mammals and birds. So we're barely on the edge of widening this circle to admit other species, but here we're botanists, suggesting we might have to widen it even further to plants. You prefer this idea that plants have agency. Can you say more about what you mean? Yeah, agency is a little less mushy.

You don't need to be certain of consciousness or intelligence to use it. Agency is this effect of having control over one's destiny, so to speak, of having an active stake in the outcome of your life. And when I was looking at plants and speaking to botanists, it became very clear to me that plants have this. They have this lively ability to make choices for themselves, to plan for the future, to use information from their environment and mix it with experiences in their past, to make really wise choices for their future. And that can mean changing how their body looks, changing what direction to grow in, changing the conditions that they create for their offspring.

There's a whole realm of maternal care in plants, and this is a sort of taking control of one's life, so to speak, that we don't even need to get into consciousness to discuss. It's very clear plants are agentive subjects, at least to me at this point. I'm also thinking about something else, like when sometimes when you look at a leaf, you can see the details within that leaf. And it made me wonder, is it right to say that plants have a nervous system? You are touching on something that people are debating right now.

I was able to go to a lab in Wisconsin where there was plants that had also been engineered to glow, but only to glow when they've been touched. So I used tweezers to pinch a plant on its vein, exactly what you're talking about, the kind of midrib of a leaf. And I got to watch this glowing green signal emanate from the point where I pinched the plant out to the whole rest of the plant. Within two minutes, the whole plant had received this signal of my touch, of my assault, so to speak, with these tweezers and research like that is leading people within the plant sciences, but also people who work on neurobiology in people to question whether or not it's time to expand the notion of a nervous system. Maybe we need to imagine a nervous system as something that evolved multiple times throughout multiple taxa of life.

Like many other things, flight evolved many times in birds and bats and other creatures. Eyeballs evolved many times separately. And maybe a nervous system did too. Maybe it's more fundamental to life than we've known before. Thinking about this plant responding to your tweezers, though, also makes me wonder, what have scientists found regarding plants ability to feel?

Tanya Moseley

Do they feel pain? We have nothing at the moment to suggest that plants feel pain. But do they sense being touched or sense being eaten and respond with a flurry of defensive chemicals that suggest that they really want to prevent whatever is going on from continuing. Absolutely. So this is where we get into tricky territory.

Zoe Schlanger

Do we ascribe human concepts like pain or. Of course that's an animal concept more broadly to a plant, even though it has no brain and we can't ask it if it feels pain. We have not found pain receptors in a plant. But then again, I mean, the devil's advocate view here is that we only found the mechanoreceptors for pain in humans, like fairly recently. But we do know plants are receiving inputs all the time.

They know when a caterpillar is chewing on them and they will respond with a aggressive defensiveness. They will do wild things to keep that caterpillar from destroying them further. Like what? Like actually emitting tannins and things like that to stop them from eating them. Exactly.

The defenses are spectacular and precise and actually kind of cruel in some cases. Tomato plants have been found to encourage caterpillars towards cannibalism when they're eating their leaves. Apparently, caterpillars tend towards cannibalism anyway when there's not enough food around. But the plants will fill their leaves with something that makes them so unappetizing that caterpillars will look up from their leaves and start eating each other instead. Another example that absolutely blows my mind is that corn plants will sample the saliva from a caterpillar that's eating it, and then it will know what species that caterpillar is, or at least know what species of wasp it needs to summon to come parasitize the caterpillar.

So it'll emit this volatile chemical that floats on the air, and it will summon the exact parasitic wasp that wants to come inject its eggs in the caterpillar. The larva hatch, and then eat the caterpillar from the inside. And that takes care of the caterpillar for the plant you touched on. Of course, plants don't have a brain, but you also wonder at the same time, what if the plant itself is just one big brain? Explain this to me.

I had this moment in the middle of reporting this book where I admitted this very sheepishly to a botanist, thinking that she would wave me off and think I was very silly. And I asked her, what if the whole plant is something like a brain? And she sort of leaned in and whispered, I think that, too. I just don't talk about it very much. This is an idea bubbling up on the fringes, or among more open minded botanists, I would say.

Tanya Moseley

Why does she say she doesn't talk about it much? Because something that you actually encountered was a lot of reticence of talking about this, even for those who are studying it, because what they're actually doing right now is redefining the very meaning of intelligence and consciousness. And there's been so much passed around pseudoscience that has invalidated their work. Exactly. You mentioned the secret life of plants.

Zoe Schlanger

This book in 1973, that was a mixture of some reasonably good science, but then a huge part of it was not something that anyone could reproduce. And it really tarnished the field for about 30 years. Funding bodies were really hesitant to fund botanical behavior research, the realm of how plants behave. And that taboo is still on the plant sciences a little bit. It's worn off, which has allowed certain research to come through.

But scientists across any discipline are wary of saying anything too outlandish they need to check their facts first. They need to have peer review processes in place to make sure they're not saying something to the public that can't be proven. I feel scientists are aware that they're writing the first draft of knowledge of their field. And if that draft has flaws, anything built on top of it would also have flaws. So they have tremendous responsibility to not mess this up.

Tanya Moseley

Well, back to the idea of a plant itself being one big brain. What made you come to that idea? After looking at the research and the ways that plants behave, when you look. At plant sensing and the way a plant senses its world, it's doing it with all of these disparate limbs. I mean, a plant is growing constantly, and a plant is modular, much unlike us.

Zoe Schlanger

We evolved in a situation where we evolved to run across long distances and seek our food across long distances. So our processing evolved in a very compact, portable brain. Makes sense for us to have this centralized place that stores our information and our senses. But a plant evolved rooted in place. And that evolutionary heritage means maybe there wasn't any good reason to make a compact, centralized processing center.

Maybe plant sensing is a more diffuse phenomenon. Maybe it is something that doesn't need to be all packed into one. And, you know, a plant is able to lose a limb and not be that harmed by that. So it would make sense that it was a more of a diffuse sensing ability. And it seems like a lot of the research bears that out.

Tanya Moseley

So, thinking like a skeptic here, and really many researchers said this to you, this idea of consciousness or intelligence is just really a matter of chemical reactions. How widely accepted is this notion of plant intelligence in this moment, with all of this burgeoning research that you found? The reality is that scientists won't be the ones to decide whether plants are intelligent or conscious. It will be a debate that goes on in more of the humanities, in philosophy, in ethics, because science is there to show us observation and to experiment. But it can't answer questions about this ineffable, squishy concept of intelligence and consciousness.

Zoe Schlanger

And part of me feels like it almost doesn't matter, because what we see plants doing, what we now understand they can do, simply brings them into this realm of alert, active processing beings, which is a huge step from how many of us were raised to view them, which is more more like ornaments in our world or sort of this decorative backdrop for our lives. And intelligence is this thing that's loaded with so much human meaning. I mean, it's too muddled up sometimes with academic notions of intelligence, and it has to be said, has been used as a tool to separate humans from other humans forever. So is this even something we want to layer onto plants? And that's something that I hear a lot of plant scientists talk about.

They recognize more than anyone that plants are not little humans. They don't want their subjects to be reduced in a way to human tropes or human standards of either of those things. Yeah. One of the bigger challenges though, is that humans have a hard time being able to understand other creatures outside of our own selves. You actually mentioned there's this phenomenon where we can't really relate to, to entities without faces.

Tanya Moseley

We even still with that, have to put human attributes on it in order to understand. Thats right. And thats where metaphor can be really useful. And maybe a little bit of light anthropomorphization, which I know certain people would hate, but I think that theres ways we can build little bridges between ourselves and plants. If were ever going to understand what plants really are, its going to take holding a lot of complexity that we may not be used to holding, including what you said, that something without a face might be considered intelligent as sort of anathema to everything weve ever really experienced.

Zoe Schlanger

But can we imagine a sort of intelligence that is beyond our human ideas of what that is? That is a form of plant intelligence distinct from, but maybe parallel to our own? Really holding that difference will be hard. It's going to be the biggest challenge of our age in terms of our relationship to plants, is somehow not reducing them in our minds to little cartoon characters holding their alienness, while also being in awe of what they can do. How do you and other botanists avoid putting on human characteristics to plants when trying to have an understanding of plant intelligence?

Tanya Moseley

Did you have within your own self a system or way to find the language not to do that? What's interesting is that scientists in botany journals will do somersaults to avoid using human language for plants. And I totally get why. But when you go meet them in their labs, they are willing to anthropologically anthropomorphize the heck out of their study subjects. They'll say things like, oh, the plants hate when I do that, or they really like this when I do this, or they like this treatment.

Zoe Schlanger

I once heard a scientist talk about, oh, we're gonna go torture the plant again. So they're perfectly willing to do that in private. And the reason for that is not because they're holding some secret about how plants are actually just little humans. It's that they've already resolved that complexity in their mind. They trust themselves to not be reducing their subjects to human simplistic human tropes.

And that's going to be a task for all of us to somehow come to that place. It's a real challenge for me. So much of what I was learning while doing research for this book was super intangible. I mean, you can't see a plant communicating. You can't watch a plant priming its immune system or manipulating an insect.

A lot of these things are happening in invisible ways. For me, it was really that moment in that lab I told you about where I pinched the plant and watched it become and watched the whole body of the plant receive that signal, this glowing eminence. That was a moment for me when the intangible really became tangible and I began to be able to imagine all of these things playing out around me. And now when I go into a park, I feel totally surrounded by little aliens. I know that there is immense plant drama happening all over the place around me.

Tanya Moseley

My guest today is climate change reporter Zoe Schlanger. We're talking about her new book, the light how the Unseen World of Plant Intelligence offers a new understanding of life on earth. We'll continue after a break. Tanya I'm Tanya Moseley, and this is fresh air. This is Ann Marie Baldonado from FRESH AIr, here to remind you about what you're missing if you aren't a fresh air plus supporter.

Ann Marie Baldonado

I wound up writing science fiction from the point of view of girls and women. Just because I was a girl and I am a woman, I wound up writing science fiction from the point of view of black people because I am black. That's author Octavia Butler. When she didn't see herself in the books she loved, Butler wrote her own stories in science fiction and fantasy. Hear more from her interview in the latest FrESh Air plus bonus episode.

Tanya Moseley

And get all your fReSh air episodes sponsor free by joining for yourself at plus dot, npr.org dot.

This is FRESH AIR. I'm Tanya Moseley, and my guest today is Atlantic climate change reporter Zoe Schlanger. She's written a new book called the Light Eaters, where she explores the unseen world of plant intelligence and the latest science that explores plant consciousness. Schlanger says that after years of focusing on the devastating impacts of climate change, she became fascinated with plants and their continuous ability to grow in the midst of massive environmental shifts. In addition to the Atlantic, Schlanger writes a newsletter called the Weekly Planet, which tells the story of life on a changing planet.

Her work has appeared in various publications, including the New York Times, the New York Review of Books, Time, Newsweek, and the Nation. Her work is cited in the 2022 best American Science and Nature writing anthology. And in 2017, she received the National association of Science Writers Reporting Award. What were some of the surprising ways you learned plants actually communicate with each other? The primary way plants communicate with each other is through a language, so to speak, of chemical gases.

Zoe Schlanger

There's this whole sense that plants have, that we have, absolutely none of which is this ability to synthesize extremely complex, specific chemical gases quite spontaneously. And there's little pores on plants that are microscopic. And under the microscope, they look like little fish lips. They're actually quite funny looking, and they open to release these gases, and those gases contain information. So when a plant is being eaten or knocked over by an animal or hit by wind too hard, it will release an alarm call that other plants in the area can pick up on.

And this alarm call can travel pretty long distances. And the plants that receive it will prime their immune systems and their defense systems to be ready for this invasion, for this group of chewing animals before they even arrive. So it's a way of saving themselves, and it makes evolutionary sense. If you're a plant, you don't want to be standing out in a field alone, so to speak. It's not good for reproductive fitness.

It's not good for attracting pollinators. It's often in the interest of plants to warn their neighbors of attacks like this. What does it mean for environments that we create, like plants in our homes or gardens or landscapes, in the case where they're sharing soil and maybe they aren't with their kin, are then plants fighting for resources, or. Yeah, how does that work? My understanding is that these relationships can run the gamut.

I think we've all been taught since high school biology that competition is the rule in life, that all organisms are competing ruthlessly with each other. It's this reddened tooth and claw concept that is taken from Darwin, but that really has forgotten a lot of other darwinian writing and just a lot of other ecology that's finding that that may be overstated. The concept of competition may be overstated. There's definitely competition in ecosystems, but it may not be the dominant factor. I've seen research looking at plants that actually shows, for example, sunflowers to be quite sharing in their relationship with other sunflowers, regardless of whether they're kin or not.

They won't dominate a patch of nutrients if another sunflower is exactly the same distance from that patch of nutrients. The two sunflowers will sort of share it with a certain degree of politeness. It may not be true that competition is the true driver of what happens in ecosystems all the time, but we also know that some plants actually do well together. Any home gardener probably thinks about companion planting. I always think about the fact that forage, which is this beautiful blue, star shaped flower, this herb, when planted with strawberries, will actually attract more of that.

Strawberries, pollinator. And strawberries can choose to reproduce without having sex or with having sex. And when more of the pollinators are attracted to the strawberries, thanks to the borage, they will actually be sweeter. You'll get better berries for that. So there's these very exquisitely layered, complex relationships between plants that don't always follow the rules we might expect.

Tanya Moseley

Let's talk about memory for a little bit. So we now know, of course, we know that plants don't have brains. Scientists are studying, though, how they store their memories. What does memory mean in the context of a plant? Plants are moving through their lives in some ways, much like we do.

Zoe Schlanger

They have youth and old age and they go through the seasons and they have day and night. And a lot of what happens to them informs their future growth. There's one concept that I think is very beautiful called the memory of winter, and that's this thing where many plants, mostly, most of our fruit trees, for example, have to have the memory, so to speak, of a certain number of days of cold in the winter in order to bloom in the spring. It's not enough that the warm weather comes, they have to get this profound cold period as well, which means to some extent, they're counting. They're counting the elapsed days of cold and then the elapsed days of warmth to make sure they're also not necessarily emerging in a freak warm spell in February.

This does sometimes happen, of course. We hear stories about farmers losing their crops to freak warm spells, but there is evidence to suggest there's parts of plants physiology that helps them record this information. But much like in people, we don't quite know the substrate of that memory. We can't quite locate where or how it's possibly being recorded. There's this flower that grows high up in the andes and it can count the elapsed amount of time between pollinator visits and then parcel out its pollen in order to just offer the right amount of pollen according to how many pollinators are around, and it will also raise its stamen with this pollen when it expects the next pollinator to arrive.

So it's really exquisitely keeping track of these intervals, which makes sense. It's high up in this mountain range. There's not going to be a ton of pollinators around, so they have to make every single potential moment of pollination count. You went to South America to observe the behavior of a chilean plant that had what you describe as spontaneous mimicry. What did you witness?

I went down to the cold rainforest of southern Chile to meet a researcher named Ernesto Giannulli, who had, a few years before, been walking through the forest, studying something else, taking a break, and he noticed that this very common vine in this forest called bokila trifoliolata, was twining around a bush. And then all of a sudden, it sort of disappeared into this bush. He looked closer and he realized the vine was still absolutely there, but it had changed its leaves to match exactly the leaf of the bush it was growing on. And so he started looking around and realized it was doing this all over the place. And Bokela is this incredibly boring looking vine.

It's got three little round leaves, a little bit like a bean plant. Nothing particularly interesting about it. And so it had been pretty overlooked in the sciences, and I flew down there to see this myself. It turns out this plant is able to mimic the leaf shape, color, size, vein pattern, texture, like whether or not a leaf is glossy of whatever it's. Growing beside this plant inchile, is it rare?

Tanya Moseley

Is there documentation of other plant species that also mimic. So we have no other example of a plant that spontaneously mimics anything that's nearby? There are other plants that can mimic, but normally these are long, evolutionarily paired relationships between one plant and one other species. So take, for example, mistletoe. It's very funny to me that we use that as a symbol for romantic love, because mistletoe is a parasite.

I didn't know that. Wow. So mistletoes hook their systems into their the plant that they mimic, and it's a one to one relationship. For example, the she oak. Mistletoe in Australia will only mimic the leaves of a she oak, and it does it beautifully, like they're basically indistinguishable once they're mimicking each other.

How long does it take it to mimic it? Is it spontaneous in the same way as this other plant, or is it, over time, being in the same environment with it? Presumably, these relationships are old evolutionary relationships. They are nothing like the spontaneous mimicry we're seeing with boquila. Which is why it is baffling these botanists.

Let's take a short break. If you're just joining us, my guest today is Zoe Schlanger. She's a staff reporter at the Atlantic, where she covers climate change. We're talking about her new book, the light how the unseen world of Plant intelligence offers a new understanding of life on earth. In the book, Schlanger explores what it means for humans to understand the capabilities of green life and the latest science and ongoing controversy about the idea of plant consciousness.

We'll continue our conversation after a short break. This is FRESH AIR. This is FRESH AIR. I'm Tanya Moseley, and today we're talking to Atlantic staff writer Zoe Schlanger. She's written a new book called the light how the Unseen World of Plant Intelligence offers a new understanding of life on earth, and in it, Schlanger delves into the latest research that explores the capabilities of plants to hear, feel and communicate.

Schlanger covers climate change for the Atlantic. Her work has appeared in various publications, including the New York Times and the New York Review of Books. I want to talk a little bit about some of the ethical issues around big farming. So we often talk about the ethical issues and treatment of animals in this context. How are you reconciling the use of pesticides and genetically modified plants?

Basically, how do we factor in big agricultural farming into all of this? I think my understanding of plant communication is the thing that has most shaped my thinking around this. There's plenty of evidence now to suggest that plants can defend themselves ingenious ways if we let them. There's some thinking that suggests that planting plants in vast monocultures, in which they're all typically a single cultivar, meaning they're all incredibly closely genetically related, robs plants of their innate ability to communicate and by communicating, defend themselves. We talked about how plants can summon beneficial predators to come eat the thing that's predating on them, or produce these chemical compounds when alerted by other plants to the fact that something is eating their fellow plants in that field.

Zoe Schlanger

But one wonders if some of this communication is ultimately stifled in our crop plants. But then again, I think there's really promising research into ways we can use certain crops that are very, very good at this kind of personal defense and use hybridization and use genetic engineering to sometimes enhance plants natural abilities to defend themselves without the need to douse them constantly in pesticides. I mean, there's a lot of downsides to pesticides, not the least of which is farmworker safety. I mean a huge number of farmworkers are poisoned every year just by interacting with these compounds. But what if we let the plants do more of the speaking for themselves instead of using these other materials?

I think that's something that technology could actually bring forward for us. You also have me thinking about how insects and plants, that relationship is vitally important. Yeah, I think it's so fascinating, these interrelationships between insects and plants. If we were able to communicate directly with a rhinoceros, that would feel incredible. Sci-Fi unbelievable.

But plants are communicating across the species divide all the time. Plants are able to lie to animals and make them do their bidding in these incredible ways. What do you mean by that? Okay, well, one example is the yellow monkey flower, which I've seen grow wild in California. It probably grows wild lots of places in the US.

And bees that are flying by are able to sense whether or not this yellow monkey flower has a lot of pollen for it by sensing some chemical compound that the flower emits. But somehow, monkey flowers have intercepted this and understand the rules of the game here and have figured out how to sabotage this pre screening process by emitting that volatile chemical anyway and not making the heaps of pollen. I mean, making pollen is very energetically demanding, and it's a bit of a bait and switch. The bee will show up and show up to nothing, but the flower will get pollinated anyway. So in a sense, it's kind of harnessing the will of another animal to do the plant's bidding.

And there's a lot of examples of this. There's a whole class of orchids that are called sexually deceptive orchids because they produce a chemical compound that is very, very, very close to wasp pheromones. So the orchid will let out this exact copy of a wasp pheromone, and a male wasp will come along and grab onto this appendage that the orchid grows that sort of bounces around. It's this modified petal that has a little bulb on it. So then you see this wasp hugging this bulb, attempting to copulate with it, and eventually that bulb and wasp will smack into the middle of the orchid, and the orchid will deposit its little sack of pollen on the wasp, and the wasp will go on its way and essentially then be attracted by another orchid when the pollen sac is deposited there.

So it's this fascinating dialogue between plants and animals that is ongoing and at times, incredibly manipulative. There's a lot of deception going on here, or incredibly collaborative. There's whole classes of plants called ant plants, because these plants produce sugar to feed ants, and then the ants act as their bodyguards by literally pulling out. Like if an aphid is coming to try and burrow into this plant, you see these ants march up to the aphid, pull it out and march it into their nest, never to be heard from again, because there's a mutually agreeable situation there between the ant and its ant plant. How is writing this book actually changed your outlook on your climate reporting?

Tanya Moseley

I mean, you took a break from that in order to focus on this issue, and you're going back to climate reporting. How does learning about plants help us? Maybe look at this larger problem in new ways or tackle it? Yeah, I came to thinking about plants from a place of despair around climate and reporting on climate change. And I have to be honest, I'm not anywhere more hopeful about climate change.

Zoe Schlanger

It didn't solve that one for me, but it did do something else. It kind of re enchanted the world for me, which has really strong effects in how I come to my job now covering climate change. I feel much more attached to the material stakes of what we stand to lose. It starts to seem that much more absurd that we're doing anything that could impede the continuation of all of these different lines of evolutionary genius which are embodied in plants and any other species. But, you know, I'm thinking a lot about plants, and I even feel in myself like, what this, what's sitting with all of this wonder around what plants can do, what that's done.

I mean, I think a lot about Rachel Carson, who at the end of her life wrote a lot about this. That wonder is a transformative emotion. It leads away from exploitation. Once you have awe for something, it's very hard to feel a lack of respect for it. Respect sort of comes naturally out of that.

And I think I sense that. I sense both the system in which we're all part, this ecological web, but also the lack of any excuse for turning away from destruction, that snuffing out any one of these lines of plants through early extinction, through deforestation, just becomes patently absurd. There's just no excuse for it. Zoe Schlanger, thank you so much for this conversation. It's wonderful to talk to you.

Tanya Moseley

Zoe Schlanger's new book is called the light how the Unseen World of Planet Intelligence offers a new understanding of life on earth. Coming up, tv critic David Biancouli reviews the new Netflix series a man in full, starring Jeff Bridges. This is fresh air.

This is Fresh air, Tom Wolfe's first and best known novel was the Bonfire of the Vanities. His second novel, called a Man in Full, was also about the morals and lack of them among the wealthy and powerful. It's now been adapted by David E. Kelly and to a new Netflix series starring Jeff Bridges and Diane Lane. Our tv critic David B.

And Cooley has this review. Way back in 1986, David E. Kelly was a young lawyer enlisted by tv producer Stephen Bochko to come to Hollywood and write scripts for Bochko's NBC drama series La Law. Kelly turned out to be a prolific and creative writer, providing many of that shows best and most memorable episodes. At the same time, new wave journalist Tom Wolf was trying his hand at writing novels, turning out his own creative and memorable stories.

David Biancouli

Bonfire of the vanities, for one, followed by a man in full. Kelly went on to create and write his own Emmy winning tv series, including Ally McBeal, the Practice, and Boston Legal. More recently, hes had success in a slightly different line of tv work, adapting existing novels for television, Big Little Lies, Mister Mercedes Goliath, and now for Netflix, he turns to Tom Wolfs, a man in full, updating it to a modern day setting. In so doing, he manages to explore the rich and famous and the legal and prison systems in ways that echo everything from the me too movement and racially motivated police brutality to the behavior of certain modern political figures. The man put under a magnifying glass is Charlie Croker, a wealthy Atlanta businessman played by Jeff Daniels.

As we meet Charlie in the opening scene, he's on the floor, dead, but then we flash back ten days to Charlie's 60th birthday party. He's holding it for himself, sparing no expense, and we follow him from there as various forces conspire to bring him down or help him out as he faces sudden bankruptcy when his bank demands repayment of his very large loan. Charlie isnt a very likable figure, but he is a charismatic one. And Jeff Daniels has played that type of villain before in the Netflix western godless and embraced it with vigor and power to spare. He does that here, too, creating a formidable man whos used to throwing his weight around.

But the secret to David Kellys tv series was that he always made sure the protagonists in his stories were pitted against equally powerful antagonists. Thats certainly the case with Harry Zale, the bank officer who calls Charlie into his office to demand repayment. Hes played by Bill Camp, who last played opposite Daniels in the tv series American Rust. After their tense meeting, Harry and Charlie shake hands as Charlie's young wife looks on, but their hand shaped grips are so tight that the two men wince as they say goodbye. Good to meet you, Harry.

Ann Marie Baldonado

Pleasure. You speak to me like that in front of my bride? Sorry, I didn't realize you'd be here. Maybe next time, leave the missus back home. In the trophy case later in the series, Charlie also meets his match in West Jordan, whos running for re election as mayor and wants Charlies help in smearing his opponent.

David Biancouli

Charlie, a former college football star, is used to being the alpha dog at any meeting. But when Charlie finally meets the mayor face to face to talk terms once again, Charlie finds thats not the case. William Jackson Harper plays the mayor. I certainly appreciate you coming in. I can also appreciate that we may differ some on our politics.

Ann Marie Baldonado

I'm here, mister mayor. Well, this is obviously a delicate situation, one that requires some discretion. Norman Bagovich becoming mayor has the potential to do enormous damage to this city. I'm sure that we can both agree on that. How can I be of help?

I'm getting to that. Here, sit down.

You're the 60 minutes man. You enjoy a great deal, a celebrity here in Georgia. Goodwill that I hope to trade on. The problem you're going bankrupt. And should that become public, your celebrity, your word, your power of influence, it all becomes compromised.

So we need to move with a certain efficiency here. I'm not going bankrupt. It would be best to protect your bull at the door. I know a lot of what goes on at Planters bank. We, and I'm talking about the city here.

We keep a lot of our deposits, municipal deposits. At this bank. I'm talking about hundreds of millions of dollars that they can lend based on those deposits. They will do a lot to keep me happy. If you were to damage Norman Bagovich's mayoral prospects, the city of Atlanta would be indebted to you.

I would be indebted to you. Spit it out. Your honor. I will modulate my spit at my own pace. The cast of a man in full features some clear standouts.

David Biancouli

Diane Lane, as Charlie's ex wife, manages to capture the satirical comedy of Tom Wolf's character while still creating a believable, likable human being. Also really good in their supporting roles are Roger White as Charlie's attorney and John Michael Hill as one of Charlies employees, suddenly caught up in the legal and prison systems. They're so good, as are Diane Lane as the ex wife and William Jackson Harper as the mayor, that this series could just as easily have been about any one of them. Loyal Kelly fans also may recognize familiar faces from his various tv series. There's Lucy Liu from Ally McBeal, and the judge is from Boston Public, and one of Charlie's advisors is from Boston legal.

Kelly adapted all six episodes himself, but divided directorial chores between two other acclaimed talents, Regina hall and Thomas Shlomi. The actors, directors and story all work to tighten the noose around Charlie. The tension and excitement and surprise in a man in full isn't about whether he survives. We know he doesn't. But what he does in his final ten days, even with death as the last stop, it turns out to be the journey, not the destination, that matters the most.

Tanya Moseley

David Biancouli teaches television studies at Rowan University. He reviewed a man in full, now streaming on Netflix. On tomorrow's show, WNBA star and Olympic gold medalist Brittany Greiner talks about the physical and emotional hell of her nearly 300 days in russian prisons and what it's been like to be reunited with her wife and her team, the Phoenix Mercury. She's about to start her second season since returning to the US less than a year and a half ago. I hope you can join us.

Our interviews and reviews are produced and edited by Amy Salad, Phyllis Myers, Sam Brigger, Lorne Krenzel, Annemarie Baldonado, Teresa Madden, Thea Challoner, Susan Nyakundi and Joel Wolfram. Our digital media producer is Molly CV Nesper. Roberta Schirach directs the show. With Terry Gross. I'm Tanya Moseley.