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How one dose of cocaine can rewire brain 27 Aug 2013 | 12:50 am
UC BERKELEY (US) — After just one dose of cocaine, mice showed speedy growth of the twig-like structures that connect neurons and form the nodes of the brain’s circuit wiring. “Our images provide cle...
Tit-for-tat rules when humans share food 27 Aug 2013 | 12:49 am
UC SANTA BARBARA (US) — New research finds that reciprocity is similar among monkeys, apes, and humans, but we’re the only ones that seem to apply the principle to food. When you share your lunch wit...
Blood flow pattern can flag bipolar disorder 27 Aug 2013 | 12:44 am
U. PITTSBURGH (US) — Brain scans that measure blood flow can help diagnose early-stage bipolar disorder and differentiate it from depression, report researchers. Bipolar disorder, characterized by mo...
To sell food on TV, advertisers veer white 27 Aug 2013 | 12:39 am
U. TORONTO (CAN) — TV commercials are more likely to show whites—and to represent them positively—than blacks or Asians, according to a new study. “Previous studies have looked at depictions of race ...
Distance from tragic event speeds healing 23 Aug 2013 | 10:44 pm
U. TEXAS-AUSTIN (US) — The best way to make sense of a tragedy is to turn away from detailed reports in the news and to adopt a more simplified understanding of the event, say researchers. In the wak...
The sharpest photos ever taken of the night sky 23 Aug 2013 | 10:43 pm
U. ARIZONA (US) — Scientists have used a new type of camera to take super sharp images of the night sky. The team has been developing this technology for more than 20 years at observatories in Arizon...
Are you eating toxic nanoparticles for lunch? 23 Aug 2013 | 08:37 pm
U. MISSOURI (US) — There’s growing concern that nanomaterials, found in packaging and pesticides, could get into food and pose a health risk. Over the last few years, the use of nanomaterials for wat...
Food app shows ‘you are what you tweet’ 23 Aug 2013 | 08:37 pm
U. ARIZONA (US) — A new app that links with Twitter could give people a better sense of what they eat and why. Led by Melanie Hingle, assistant professor of nutritional sciences at the University of ...
Bitterness blunts sugar’s buzz for fruit flies 23 Aug 2013 | 08:01 pm
UC SANTA BARBARA (US) — A new study offers insight into how sensory input affects fruit flies’ decisions about sweet-tasting food. Like these tiny little creatures, most animals are attracted to suga...
Climate and health pose big risks to Arctic natives 23 Aug 2013 | 07:52 pm
U. OREGON (US) — Native populations in far-northern climates face growing health risks, particularly in the face of a rapidly warming climate and efforts to extract natural resources from their homela...
