All Stories
-
NeuroscienceBrain uses decision-making region to tell blue from green
Language and early visual areas of the brain are not crucial for distinguishing colors, an fMRI study suggests.
-
GeneticsNeanderthal Man
The hottest thing in human evolution studies right now is DNA extracted from hominid fossils. Svante Pääbo, the dean of ancient-gene research, explains in Neandertal Man how it all began when he bought a piece of calf liver at a supermarket in 1981.
By Bruce Bower -
PhysicsKey to free will may be stripping reality naked
If reality emerges from an unseen foundation, human free will could influence the future.
-
MicrobesPower-packed bacterial spores generate electricity
With mighty bursts of rehydration, bacterial spores offer a new source of renewable energy.
By Beth Mole -
Health & MedicineShould you hush that white noise?
Some sleep machines can pump out a dangerous amount of noise, but that doesn’t mean they can’t be used safely.
-
PhysicsLaser tweezers manipulate objects just 50 nanometers wide
Technique could allow scientists to move proteins, viruses and nanomaterials.
By Andrew Grant -
Health & MedicineGaming-type setup relieves phantom limb pain
The treatment reduced one patient’s pain entirely for periods of time and helped him sleep without being awoken by pain.
-
AgricultureWhere antibiotics go
Of the 51 tons of antibiotics consumed every day in the United States, about 80 percent goes into animal production.
-
AnimalsAlgal blooms created ancient whale graveyard
Whales and other marine mammals died at sea and were buried on a tidal flat in what's now in the Atacama Desert in Chile.
-
Health & MedicineBereavement can take toll on health, not just emotions
In the month after a partner dies, spouse more prone to heart attack, stroke.
By Nathan Seppa -
PsychologySuicide rates drop in big cities
With more social connections, people may be less inclined to take their own lives.
By Meghan Rosen -
AnthropologyHuman ancestors at West Asian site deemed two species
Researchers see two species instead of one at oldest known Homo site outside Africa.
By Bruce Bower