Magicicadas in The Mood

Periodical cicadas spend over a decade buried beneath the soil, feeding on xylem. And then one spring, they emerge, shed, swarm, sing, mate and die in a few...

A Breakthrough on Stem Cells

"Correction Appended: Dec. 11, 2007" Before Dolly, no one thought it was possible to turn back time, especially where biology was concerned. Once a cell...

See more Articles

Photo Essays

Take a Walk Through the Streets of Cuba

Cuba has light. Cuba has shadow. Cuba has decaying colonial grandeur. But what really matters is that Cuba has Cubans. Almost any place in the Caribbean contains...

Ten Years of Cloning

The first cloned mammal made her debut in the scientific journal Nature 10 years ago. Here's how Dolly's birth changed the way we think about reproduction

View more photo essays