With a growing collection and innovative programs, the Hirshhorn museum celebrates its first 25 years
Costa Rica's squirrel monkeys are adorable, charismatic, sexy and critically endangered
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Over the centuries, visionary mathematicians laid the foundation for how we view life's gambles
Light travels 186,000 miles per second in a vacuum; in Lene Hau's lab, it ambles at 38 miles an hour
A Smithsonian scientist studies the relationship between Eocene insects and the plants they ate
Temptress or icon of innocence, cult figure or cultural archetype, Leonardo's mysterious madonna has intrigued us for 500 years
Tucson recruits learn there's a lot more to fighting fire than just "putting the wet stuff on the red stuff"
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With no "hanky-panky gimcracks," A. C. Gilbert's Erector sets taught boys more than just the nuts and bolts
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At the "house of pain," sports scientists are finding new ways to help great athletes get even better
When grizzlies and black bears start hanging around people, Carrie Hunt and her feisty Karelians persuade them to go away
Holes in the canopy mean opportunity for new trees, but only if they are already waiting in the wings
More than 50 years after independence, Filipinos still chafe—and cheer—at the lingering legacies of U.S. colonialism
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