slideshow

Zooxanthellae and Coral Bleaching

Tiny plant-like organisms called zooxanthellae live in the tissues of many animals,...

slideshow

A Collection of Cambrian Fossils

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

Lesson Plan

In Hot Water

This lesson combines Life Science and Investigation State Standards as it builds on...

Lesson Plan

The Puzzle of Ice Age Americans

Students describe alternative theories for arrival of first humans to come to...

slideshow

A World Adrift: Life in the Sargassum Slideshow

Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns...