Orchid Gallery
Sample the surprising diversity of shapes and colors in this collection of 15 different orchid species.

A Plant With Smarts
In this article and video clip, Susan Orlean, author of The Orchid Thief, muses about the orchid's "clever and unplantlike determination to survive."

Great Amateurs
in Science
Thomas Jefferson. Arthur C. Clarke. Joseph Priestley. Meet 10 nonscientists who have made extraordinary contributions to science.

Classifying Life
What do a polar bear and a sea cucumber have in common? More than you might imagine. Find out in this game.

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