What do you want to know about the natural world? Thanks to donations from readers like you, Bay Nature has teamed up with the naturalists at the California Center for Natural History to answer your questions about the world every other Tuesday. Some questions find their way to naturalist Michael Ellis, whose answers appear in our quarterly print magazine. Email us your questions at atn@baynature.org!

What makes wildflowers so colorful?


At the precise moment we are looking at them, flowers are sending light rays back to us. But not all of them are sending us the same kind of light in the same way. The different colors are different wavelengths … Read more