News
- 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
Sardine fishery may be in peril
Cool ocean cycle, population slide evoke collapse of Pacific resource in the late 1940s.
- Earth
Less sea ice brings more snow
A melting Arctic shifts atmospheric patterns across much of the Northern Hemisphere, causing severe weather elsewhere.
- 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.
- Life
Eggs may be made throughout adulthood
The discovery of stem cells in human ovaries suggests that women are not born with a lifetime’s supply of gametes.
- Physics
Loose cable blamed for speedy neutrinos
In uncovering a technical flaw, physicists now know why an experimental result that couldn’t have been true wasn’t.
- Life
Bird flu less deadly, but more widespread, than official numbers suggest
The H5N1 virus appears to have infected far more than the 573 officially confirmed victims.
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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.
- Life
Old-fashioned fish regrow fins
Fish on an ancient line can regenerate lost limbs with newt-like flair, suggesting that ability was shared among ancient ancestors.
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Science News at the 2012 AAAS meeting
A round-up of Science News coverage of the meeting of the American Association for the Advancement of Science held February 16–20, 2012 in Vancouver, Canada.
