Lab on a Chip
A palm-sized digital device could help track populations' risk for measles and other infectious …
Starbucks Culture
Customers at Starbucks in China show behavioral traits of their agrarian past.
Prehistoric Sloth Hunting
Footprints reveal an encounter between human hunters and the now extinct giant ground sloth.
Tracking Pain in the Brain
Researchers make a map of the brain cells that transmit pain.
Tired Walking
Preventing falls among the elderly is a matter of mental energy.
Earth Genome
Scientists set out to sequence the genome of every species on Earth.
Greener Biofuels
For biofuel makers, the new tax law makes lowering CO2 emissions profitable.
Hummingbird Tail Feathers
A male hummingbird makes sounds with his tail feathers to attract females.
Camping Improves Sleep
More time spent outdoors resets circadian rhythms to help us get a full night’s sleep.
Neanderthal Dental Plaque
Dental plaque from ancient Neanderthals reveals that they used herbal remedies.
Atomic Tweezers
Optical tweezers let scientists combine single atoms into molecules.