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Welcome to the Scientific American Podcast Science Talk posted on June 29th, 2012.

I'm Steve Murski. On this episode,

we touch all plants they respond. If you touch certain plants, we see them respond. And the easiest way of seeing that is the Venus Flytrap, because we can see the moon. But anytime

you touch any plant, there is a cellular and organism of response. That's Daniel

Shamovitz. He's director of the Manas Center for Plant Biosciences at Tel Aviv University.

And he's the author of the new book, What a Plant Knows.

He was in New York City recently and dropped by the Scientific American offices.

Daniel Shamovitz, great to see you.

Thanks for having me.

Sure. Thanks for coming in. What a a plant knows is the name of the book? Let's start there. What does a plant know? Plan knows quite a bit. A plant knows what color light it's seeing. It knows because it can see it. It knows when you're standing on it because it could feel it. It knows if its neighbor is sick because it could smell it.

It knows quite a bit, much more than we give them credit for.

Now, let's talk about the word knows.

Okay.

Yeah.

It's controversial.

...