News in Brief
- Tech
Custom-designed legs help robots speed over sand
Six-legged machine runs across grainy surfaces.
- Humans
Twitter maps New York City, language by language
Apart from Spanish tweets that blanket the area, non-English tweets cluster in neighborhoods.
- Earth
Extreme storm surges may occur more often
Climate simulations suggest hurricane-caused flooding will increase in frequency as temperatures warm.
- Life
Bedbugs raise genetic defense against pesticides
Bedbugs turn on several genes, in both their shells and their nerve cells, to stave off effects of insecticides.
- Life
New virus uses protein handle to infect cells
Deadly coronavirus related to SARS attaches to protein on cells unlike the one SARS uses.
- Health & Medicine
Heart benefits from quitting smoking outweigh weight gain
People who give up cigarettes have fewer heart problems despite gaining weight.
- Earth
Canada’s ice shrinking rapidly
Melt from Arctic Archipelago will raise sea levels by 3.5 centimeters.
- Physics
Particle caught flip-flopping
At the Large Hadron Collider, researchers observe D mesons oscillate between particle and antiparticle.
- Chemistry
Missing link in taste chain identified
Taste-cell protein sends message to brain that tongue has detected sweet, bitter or umami flavor.
- Health & Medicine
Fish oil component boosts newborn health
Pregnant women who took an omega-3 fatty acid supplement had bigger babies.
- Health & Medicine
Allergy, Asthma and Immunology Meeting
Highlights from the annual meeting of the American Academy of Allergy, Asthma and Immunology, San Antonio, February 22-26, 2013.
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