Want to hear what goes on when you hear sounds? Hair cells wave in the fluid, responding to specific frequencies, and hundreds of proteins go into action.
There's something magical about believing in evolutionary anthropology: a sense of numinous awe at how much they don't know but believe might be possible.
They're black and noisy, but the more you learn about crows, the more you will appreciate them—or at least respect them as you shoo them from your scarecrow.
"Convergent evolution" is the term given to similar designs that shouldn't be related. Recent widespread examples threaten to make the term lose any coherence it might have had
When completely unrelated animals or plants display the same engineering solution, is it reasonable to assume a blind, unguided process of selection achieved improbable outcomes multiple times? Is calling it "convergent evolution" meaningful? Here are three examples.