Uncategorized
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- Space
Aura of life captured in Earthshine
Light from Earth reflected off the moon contains the kind of information that could prove useful in the characterization of faraway exoplanets.
- 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.
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2012 Computational and Systems Neuroscience Meeting
Highlights from the annual meeting, held February 23 – 26 in Salt Lake City, Utah.
- 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.
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- 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.
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EPA moves to phase out asbestos goods
Everyday places where asbestos can still be found.
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Letters
Sinking heavy ice The picture in “From the Archive” (“Self-experimenter didn’t suffer,” SN: 1/28/12, p. 32) shows heavy water ice sinking in a glass of water while alongside, light water ice floats. What is not clear is what kind of water is in the glasses. If heavy water ice were in a glass of heavy […]
