Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Science competition finalists go public
Public day allows high school students to present their projects.
- Health & Medicine
A dash of marrow helps kidney transplant
A new approach enables researchers to wean some patients who receive poorly matched kidneys off immune-suppressing drugs
- Health & Medicine
Excess salt may stiffen heart vessels
As sodium in diet increases, a coronary risk factor independent of blood pressure escalates, according to a study in middle-aged U.S. men.
- Humans
Technique may reveal where it all began
A new strategy overcomes a distance quandary as it tracks the origins of widespread phenomena — from an E. coli outbreak to a fad.
- Humans
Modern era brings death to words
An analysis of books published over two centuries shows how words are born or succumb to shifting social and technological influences.
- Psychology
Kids flex cultural muscles
Young children, but not chimps or monkeys, generate collective leaps of knowledge.
- Life
Pollutants long gone, but disease carries on
Even without new exposures, various chemicals can impact DNA and cause illness across at least three subsequent generations, rat study finds.
- Anthropology
Frozen mummy’s genetic blueprints unveiled
DNA study reveals the 5,300-year-old Iceman had brown eyes, Lyme disease and links to modern-day Corsicans and Sardinians.
- Life
Brain cells know which way you’ll bet
Activity of nerve cells in a key brain structure reveals how people will bet in a card game.
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- Humans
Shelters date to Stone Age
Middle Eastern foragers inhabited dwellings for months at a time around 20,000 years ago.
- Health & Medicine
2012 AAAS Meeting
Highlights from the American Association for the Advancement of Science annual meeting in Vancouver, February 16-20.
