Plants Make Sounds, Frog Science, COVID Vaccine Update. April 7, 2023, Part 1

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Your Plants Are Trying to Tell You They’re Thirsty Spring is in the air, with flowers blooming and gardens starting. Most people with a green thumb will know a droopy plant is a signal that it needs water. But new research has found another way that plants will signal that they’re thirsty: emitting staccato popping sounds, too high pitched for the human ears. Elsewhere in the world of science journalism, an argument has been made that elephants have self-domesticated. If true, this would make these gentle giants only the third creature to have done this, alongside humans and bonobos. Joining Ira to talk about these stories and other science stories of the week is Rachel Feltman, host of the…