Uncategorized
- Neuroscience
Brain 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.
- Genetics
Neanderthal 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.
- Microbes
Power-packed bacterial spores generate electricity
With mighty bursts of rehydration, bacterial spores offer a new source of renewable energy.
- Physics
Laser tweezers manipulate objects just 50 nanometers wide
Technique could allow scientists to move proteins, viruses and nanomaterials.
- Agriculture
Where antibiotics go
Of the 51 tons of antibiotics consumed every day in the United States, about 80 percent goes into animal production.
- Health & Medicine
Bereavement can take toll on health, not just emotions
In the month after a partner dies, spouse more prone to heart attack, stroke.
- Psychology
Suicide rates drop in big cities
With more social connections, people may be less inclined to take their own lives.
- Anthropology
Human ancestors at West Asian site deemed two species
Researchers see two species instead of one at oldest known Homo site outside Africa.
- Astronomy
Kepler space telescope data uncovers 715 new planets
Astronomers used a new tool to quickly confirm the detection of exoplanets.
- Health & Medicine
Experimental drug no Methuselah formula
Compound lets mice live healthier lives but doesn't extend life span.
- Neuroscience
Girls may require more mutations than boys to develop autism
New results may help explain why more males wind up with autism.
- Health & Medicine
Experimental vaccines protect children from hand, foot and mouth disease
Shots prevented cases resulting from enterovirus 71.
