Practice as well as sleep may help birds learn new songs
The reorganization of neural activity during sleep helps young songbirds to develop the vocal skills they display while awake, University of Chicago researchers have found.
Dec 14, 2008
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14/12/2008
Immunity stronger at night than during day
The immune system's battle against invading bacteria reaches its peak activity at night and is lowest during the day.
Dec 14, 2008
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Snoring or soaring? Strength of fruit-fly immune system varies
A fruit fly's immune system can tell time, researchers at the Stanford University School of Medicine have found, and how hard it punches back against infections depends on whether the fly is snoozing or cruising. The discovery ...
Dec 14, 2008
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Method sorts out double-walled carbon nanotube problem
It's hard to study something with any rigor if the subject can't be produced uniformly and efficiently. Researchers who study double-walled carbon nanotubes -- nanomaterials with promising technological applications -- find ...
Nanomaterials
Dec 14, 2008
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Nanotubes sniff out cancer agents in living cells
MIT engineers have developed carbon nanotubes into sensors for cancer drugs and other DNA-damaging agents inside living cells.
Bio & Medicine
Dec 14, 2008
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More food at lower cost: Important step forward towards increasing crop yields
In the face of climate change, being able to increase crop yields by enabling plants to take up nutrients and water more efficiently becomes increasingly important, as fertiliser and water supplies incur significant energy ...
Dec 14, 2008
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Single adult stem cell can self renew, repair tissue damage in live mammal
The first demonstration that a single adult stem cell can self-renew in a mammal was reported at the American Society for Cell Biology (ASCB) 48th Annual Meeting, Dec. 13-17, 2008 in San Francisco.
Dec 14, 2008
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People, not just a building, make for 'place'
A building designed to recapture the past may bring nostalgia, but the end product may not capture current realities of a place, says Kingston Heath, a professor of historic preservation at the University of Oregon.
Other
Dec 14, 2008
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