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Author Stories
New research finds that people over 50 are happier than their younger counterparts.
Documents riding with the ill-fated Donner Party yield new clues about Lincoln's life.
New research says altitude training may hinder athletic progress more than it helps.
Thanks to plant genetics, a scientist thinks he may have discovered a way to turn cancer off.
The 19th-century artist's first published bird illustration has finally been found on old bank notes.
An unusual species of bee makes a "petal sandwich" out of brightly colored flowers and mud to shelter its eggs.
Researchers say they've proved that superstition improves performance.
New research points to women and young people as the groups with buying power when it comes shopping for a cause.
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