What it is: Chlorophyll, the stuff that makes plants green. When potatoes are exposed to light—like during harvest—they produce it in an attempt to grow. What we thought: Chick embryo. What it is: A ...

Discovered: What makes plants better at being thirsty, climate change hasn't had a horrible impact on streams, forest might save us from our climate change woes and snowy areas are in trouble.

We may receive a commission on purchases made from links. Green tea fans, this one's for you. No tea-head worth their weight in leaves would mistake sencha for matcha (or vice versa). But what, ...