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
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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
A photographer's imaginary insect world mirrors our own, with beetles flying kites and six-legged warriors on the march
Americans take lawn care very seriously, spending billions to keep their perfectly clipped grass green and absolutely weed free
These ubiquitous herons are learning to live with people
Everyone talks about the weather the people at the Weather Channel live it 24 hours a day
As vessels around the world drag nets and dredges across the seabed, they slowly destroy the biome
A Smithsonian biologist tracks the protein-rich nuts to understand their role in the Amazonian forest
Carolina dogs, discovered in the Southeast woods, may provide clues to the primitive dogs that arrived with the first humans in America
As prices skyrocket, gonzo collectors are combing the globe for these celestial fragments—and riling researchers
Doctors and patients swear hypnosis works, but after years of research we still don't know how
Caution: Unexpected birdsong can cause flashbacks that lift the listener out of time and place
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It took two millennia to get the one we now use; we owe a lot to the sun and moon, to Caesar, Pope Gregory and, oh yes, the Earl of Chesterfield
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