Sharks Dwindle; Shellfish Suffer
The sea is running out of sharks and that's bad news for shellfish.

Shrinking Coral
A new study shows dramatic coral declines at protected and unprotected reefs alike.

Lousey Death
Pink salmon populations are careening towards collapse--but this time fishing isn't the cause.

One Crustacean: Many Powers
The most complex visual system in the animal kingdom belongs to an agressive crustacean.

A Thicker Skin--for Snails
Snails bulk up their shells in response to predators. What triggers the process?

Lake Tanganyika Heating Up, Warmest In 1,500 Years
Lake Tanganyika in east Africa is getting warmer, say geologists from Brown University.

Particles of Science

Two Scientists Walk Into a Bar

Need a laugh? Get some good science jokes (and a bunch of groaners, too) in our chat with three science comedians.

Secret To Eternal Life...For Xmas Trees

Raj Lada is on a quest to keep your Christmas tree thriving in the afterlife. Get his embalming tips.

Your Lichen Glamour Shots

SciFri listeners from across the country sent in photos of lichens from their neighborhoods. Lichenologist James Lendemer identified them. Check it out!

Geek 2.0

Have you noticed that the word "geek" has gotten a little chic? Maybe it's time for a new term for those of us true geeks. Tell us your suggestion for the new geek.