Books Daniel Chamovitz Books by Daniel Chamovitz Daniel Chamovitz has written books about: Nonfiction Science & Health Facebook Twitter Flipboard Email NPR stories about Daniel Chamovitz Robert Krulwich/NPR Opinion Krulwich Wonders... How Do Plants Know Which Way Is Up And Which Way Is Down? June 22, 2012 Plants have the uncanny ability to send their roots down and their shoots up, even if the seedlings are rotated. The plants are sensing gravity. But how? Robert Krulwich/NPR Opinion Krulwich Wonders... Can Plants Smell Other Plants? Apparently They Can May 24, 2012 Plants, of course, don't have noses. But there is a vine that can smell the difference between a tomato and a stalk of wheat.