John Tyndall's setup for measuring radiant heat absorption by gases

How 19th Century Scientists Predicted Global Warming

Today’s headlines make climate change seem like a recent discovery. But Eunice Newton Foote and others have been piecing it together for centuries.

Turtle Shells: More Than Meets the Eye

Turtle shells evolved over time from earlier precursor structures.

Warty Pigeons, Dodos, Giant Tortoises, and More: The Extinct Wildlife of Mauritius

Newly discovered Dutch manuscripts describe the extinct wildlife of Mauritius Island.