New collaborative research reveals chimpanzees can sustain multiple-tradition cultures
Biology /
Jun 08, 2007 |
4.3 / 5 (19) |
0
Scientists have long wondered if local animal cultures exist, and now, based on findings by researchers at the Yerkes National Primate Research Center at Emory University, the University of Texas and St. Andrews ...
Scientists propose the kind of chemistry that led to life
Jun 08, 2007 |
4.3 / 5 (46) |
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Before life emerged on earth, either a primitive kind of metabolism or an RNA-like duplicating machinery must have set the stage – so experts believe. But what preceded these pre-life steps?
Research deciphers 'déjà-vu' brain mechanics
Jun 08, 2007 |
3.8 / 5 (25) |
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Neuroscientists at the Picower Institute for Learning and Memory at MIT report in the June 7 early online edition of Science that they have identified for the first time a neuronal mechanism that helps us rapidly distinguish simila ...
Scientists reveal how supermassive black holes bind into pairs during galaxy mergers
Jun 08, 2007 |
4.6 / 5 (31) |
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Picture the Milky Way galaxy-a disk of stars and gas, a stellar spheroid and an enormous halo of dark matter. It spirals around a black hole that is supermassive-about three million solar masses. The Milky ...
DNA damage to stem cells is central to ageing
Jun 08, 2007 |
4.7 / 5 (24) |
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DNA damage is a major mechanism behind the loss of adult stem cells over time, according to a Nature paper by Oxford University researchers and international colleagues.
Super fruit fly may lead to healthier humans
Biology /
Jun 08, 2007 |
4.8 / 5 (24) |
0
In a triumph for pests, scientists have figured out how to make the fruit fly live longer. But humans still may get something out of the deal. As reported online in Nature Chemical Biology, the discovery that a single protei ...
Scientists study impacts of industrial logging in Central Africa
Space & Earth / Earth Sciences
Jun 08, 2007 |
4.7 / 5 (3) |
0
Though the dense humid forests of Central Africa have been regarded as among the most pristine on Earth, the expansion of industrial logging and the accompanying proliferation of road density are threatening ...
Calorie density key to losing weight
Jun 08, 2007 |
4.3 / 5 (23) |
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Eating smart, not eating less, may be the key to losing weight. A year-long clinical trial by Penn State researchers shows that diets focusing on foods that are low in calorie density can promote healthy weight loss while ...
A wider range of sounds for the deaf
Jun 08, 2007 |
4.8 / 5 (6) |
0
More than three decades ago, scientists pursued the then-radical idea of implanting tiny electronic hearing devices in the inner ear to help profoundly deaf people. An even bolder alternative that promised superior results ...
Wii video game carries doctor's warning
Jun 08, 2007 |
3.3 / 5 (4) |
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Too much time playing the Nintendo Wii video game system can give players an acute form of tennis elbow, a doctor in Barcelona, Spain, warns.
Ticks challenge climate theory
Biology /
Jun 08, 2007 |
3.8 / 5 (8) |
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As key players in the spread of disease ticks aren’t exactly man’s best friend but, according to Oxford University scientists, they may offer a vital clue that climate change is not to blame for an upsurge in many human diseases.
Cicada sounds could damage hearing
Jun 08, 2007 |
4 / 5 (1) |
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Experts say the piercing mating call of the 17-year cicadas, which have taken parts of the Chicago area by storm, could cause damage to the ears of humans.
Researchers discover novel pathway that may promote immune system balance
Jun 08, 2007 |
2.7 / 5 (3) |
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Researchers at UCLA’s Jonsson Cancer Center have discovered a novel anti-inflammatory cell signaling pathway that may serve as a vital Yin-Yang mechanism to maintain the delicate balance of immune response.
Alzheimer's enzyme acts as a tumor suppressor
Jun 08, 2007 |
5 / 5 (2) |
0
Researchers at Burnham Institute for Medical Research have provided the first evidence that gamma-secretase, an enzyme key to the progression of Alzheimer’s, acts as a tumor suppressor by altering the pathway of epidermal ...
Salty oceans provide early warning for climate change
Space & Earth / Earth Sciences
Jun 08, 2007 |
4.7 / 5 (6) |
0
Monitoring the saltiness of the ocean water could provide an early indicator of climate change. Significant increases or decreases in salt in key areas could forewarn of climate change in 10 to 20 years time. Presenting their ...
