A 16-Year-Old Explains Why Everything You Thought You Knew About Beauty May Be Wrong. With Math.

High school student Ally Cavazos made this for a class project. It’s about a magic number you use every day without realizing it. And there’s math involved. Beautiful math.

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