What Are Ocean Predators Doing So Deep Underwater?
Whale sharks can dive more than a mile deep. Marine biologists are still trying to figure out why they bother.

Whale sharks can dive more than a mile deep. Marine biologists are still trying to figure out why they bother.

Scientists are closing in on one of botany’s great riddles

How the world’s trees got so sick

Amphibians are dying off faster than any other vertebrate group in the world. Can hormones and IVF save them?
