Uncategorized
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Live Long and Perspire: Exercise may slow aging at chromosomal level
A new study finds that a sedentary lifestyle is linked to short telomeres on chromosomes, potentially a sign of rapid aging.
- Humans
. . . And the Envelope, Please: Forty outstanding young scientists move to final round of competition
Forty outstanding young scientists will travel to Washington, D.C., for the final round of the 2008 Intel Science Talent Search.
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Spice It Up: Naked mole-rats feel no pain from peppers, acid
The African naked mole-rat doesn't feel pain from acid or chilies, a possible adaptation to its cramped underground habitat.
- Plants
Traveling tubers
Potato varieties from Chile arrived in Europe several years before the blights of the mid-1800s, a new analysis of DNA from old plant collections reveals.
- Planetary Science
Dusty Clues: Study suggests no dearth of Earths
A new study suggests that many, or perhaps most, sunlike stars have planets much like Earth.
- Earth
Seafloor Chemistry: Life’s building blocks made inorganically
Hydrocarbons in fluids spewing from hydrothermal vents on the seafloor in the central Atlantic were produced by inorganic chemical reactions deep within the ocean crust, a finding with implications for the possible origins of life.
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- Health & Medicine
New route to insulin-making cells
Researchers have found cells resembling stem cells in the mouse pancreas, suggesting new ways to treat diabetes.
- Earth
A crack and a fault in paradise
Mauna Loa, Hawaii's most massive volcano, may be splitting the Earth's crust.
- Animals
Very brown sheep have a dark side
Big, dark sheep on a Scottish island are not breaking the rules of evolution after all.
- Health & Medicine
Receptor may be cancer accomplice
Suppressing a receptor protein called neuropilin-2 slows colon cancer growth in mice.
- Earth
Fabulon: Looking less fabulous
The source of polychlorinated biphenyls found heavily tainting some homes—and their dwellers—appears to be a durable topcoat for hardwood floors that was widely used a half-century ago.
