Humans
We summarize the week's scientific breakthroughs every Thursday.
- Archaeology
Serbian site may have hosted first copper makers
Newly identified remnants of copper smelting at a 7,000-year-old Serbian site fuel debate over where and when this practice began.
- Psychology
Social judgments take touching turns
New evidence suggests that the sense of touch influences people’s willingness to drive a hard bargain or endorse a job candidate.
- Health & Medicine
How resveratrol (in grapes, peanuts and wine) fights fat and disease
Resveratrol, a constituent of grapes and certain other plants, can fight the proliferation of fat cells and improve the uptake of sugar from the blood, a pair of new studies indicate. These observations offer some mechanisms to explain why grape products, including wine, have developed a reputation as heart healthy, obesity-fighting and beneficial for people developing diabetes.
- Health & Medicine
Snakes on the brain
In a bizarre experiment, researchers delve into the neural roots of courage.
- Health & Medicine
Stopping platelets at the source
An experimental treatment may prevent harmful clotting and less need for drugs that increase bleeding risk, a study in baboons shows.
- Health & Medicine
Abuse of pharmaceuticals is rising sharply
In 2008, the most recent year for which data are available, an estimated 1 million Americans entered a hospital emergency room for treatment of an overdose due to “nonmedical” use of an over-the-counter or prescription drug. That’s double the number of such visits five years earlier, federal data show.
- Life
Baby’s first bacteria depend on birth route
C-section newborns may harbor fewer helpful microbes than infants born vaginally.
- Anthropology
Lucy fossil gets jolted upright by Big Man
Scientists have unearthed a 3.6-million-year-old partial hominid skeleton that may recast the iconic species as humanlike walkers.
- Health & Medicine
Feds probe Gulf spill health risks
The Institute of Medicine will be hosting a small public workshop in New Orleans, June 22 and 23, on possible health risks to Gulf coast residents and workers in the wake of the catastrophic BP oil spill. A June 16 congressional hearing previewed some of the concerns likely to arise at the meeting. They ranged from potential long-terms risks of DNA damage to claims that BP failed to provide protective gear to contract crews hired to clean up oil.
- Humans
For sight-reading music, practice doesn’t make perfect
Individual memory differences may set upper limits on pianists’ sight-reading skill, regardless of their experience.
- Health & Medicine
Genetic defect tied to autoimmune diseases
Rare mutations in an enzyme lead to several different disorders.
- Health & Medicine
Vitamin B6 linked to lowered lung cancer risk
High levels of folate and the amino acid methionine also seem to help, a new study finds.
