slideshow

A Collection of Cambrian Fossils

When you're standing in a museum surrounded by fossils, you can almost imagine...

Photo

The First Filter Feeder

Today, filter feeders like clams, sponges, krill, baleen whales, fishes, and many...

Photo

Elevator Rudists

These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...

Personal Perspectives

Spirals in Time: A Walk at the Seashore

When I set out to write a book about mollusks (called Spirals in Time), I wasn't...

Personal Perspectives

The Design of a Beautiful Weapon

This summer, many of you have likely enjoyed feasting on crabs, be they blue,...

video

Claws Out: Fiddler Crabs Do Battle

Male fiddler crabs each have a single super-sized claw that they use as a weapon to...