The Chemistry Behind the Different Colors of Autumn Leaves

At some point when you were a wee child, your parents or teachers probably gave you a simple—but incomplete—explanation of why leaves change color in the fall: green chlorophyll fades to reveal the yellows and oranges that have been there all along. That's true, but that's not the whole chemical story. » 9/18/14 2:25pm Thursday 2:25pm

Winsome Leaf Keychain Speakers are Almost Certainly Irritating in Real…

At first glance, this leaf from Bird Electron doesn't seem like such a bad idea: Provide people with a small, unamplified, discreet speaker that can hook up to pretty much any MP3 player, wrap it in a cute little leafy shell and clip it to a keychain. But then, please » 11/21/08 5:04am 11/21/08 5:04am, consider the uses. When can't you just give you…