Humans
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We summarize the week's scientific breakthroughs every Thursday.
- Humans
Ancient blades served as early weapons
African find reveals complex toolmaking 71,000 years ago.
By Erin Wayman - Health & Medicine
Highlights from the American Heart Association Scientific Sessions, Los Angeles, November 3-7
Multivitamins may not reduce heart attacks, two drugs could protect heart from chemo damage, and more.
By Nathan Seppa - Health & Medicine
Your brain on speed dating
Activity in two regions helps calculate compatibility with potential mates.
- Health & Medicine
Statin substitutes go beyond drawing board
A new generation of cholesterol-lowering drugs might help people who can’t take the usual pills or who don’t benefit adequately from them.
By Nathan Seppa - Health & Medicine
Heart bypass surgery outperforms stents in diabetics
Among patients getting multiple coronary blockages cleared, those assigned to surgery fared better.
By Nathan Seppa - Health & Medicine
Dreamland: Adventures in the Strange Science of Sleep
by David K. Randall.
By Nathan Seppa - Psychology
Too little money, too much borrowing
A contested study suggests that poverty contracts attention and detracts from financial decisions.
By Bruce Bower - Health & Medicine
Monkeys keep the beat without outside help
Nerve cells in the brain may regulate a precise sense of internal time-keeping.
- Health & Medicine
Smoking laws limit heart attacks
A county that banned smoking in bars, restaurants and other workplaces saw a one-third decrease, a new study finds.
By Nathan Seppa -
- Health & Medicine
Same neurons at work in sleep and under anesthesia
Drugs boost activity in nerve cells that usually induce a slumber.
- Humans
Shoulder fossil may put Lucy’s kind up a tree
Fossils of an ancient child suggest the more than 3-million-year-old hominid mixed climbing with walking.
By Bruce Bower