His first 4 sentences are interesting. The 5th blew my mind. And made me a little sick.

John Green is kind of amazing. He knows his facts way better than you or me. And they are mind-blowing and/or horrifying.

Culture

Historians explain why men in old-timey portraits always had one hand in their vest or coat

Nature

Beavers were brought to the desert to save a dying river. 6 years later, here are the results.

Nature

In 1879 a scientist buried bottles filled with seeds. Every 20 years, one is dug up and studied.

Culture

Gen Xers share 17 nostalgic dishes they ate growing up—and still make for dinner