Whales evolved biosonar to chase squid into the deep
Biology /
Sep 05, 2007 |
3.8 / 5 (11) |
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Behind the sailor's lore of fearsome battles between sperm whale and giant squid lies a deep question of evolution: How did these leviathans develop the underwater sonar needed to chase and catch squid in ...
Study details regulation of vital tumor suppressor gene p53
Sep 05, 2007 |
4.6 / 5 (8) |
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So vital is the p53 tumor suppressor gene in controlling cancer that its dysfunction is linked to more than half of human cancers. At the same time, the gene’s capacity for shutting down cell growth, even causing cells to ...
Measuring Depression
Sep 05, 2007 |
3.7 / 5 (10) |
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It's hardly surprising that clinically depressed people act differently than healthy people. Quantifying the difference, however, can be difficult. Now a collaboration of physicists and psychiatrists in Japan has found a ...
Study looks at why the bullies carry on bullying
Medicine & Health / Psychology & Psychiatry
Sep 05, 2007 |
4.3 / 5 (8) |
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Young male bullies are aware of the damage that they cause their victims but carry on to guarantee their own personal gain, according to findings of preliminary research at the University of Sussex.
Adult brain can change, study confirms
Sep 05, 2007 |
4.6 / 5 (7) |
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It is well established that a child's brain has a remarkable capacity for change, but controversy continues about the extent to which such plasticity exists in the adult human primary sensory cortex. Now, ...
Reason to Smile: New Technology Aims to Eliminate Pain from Cavity Treatment Procedures
Sep 05, 2007 |
4.4 / 5 (7) |
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Tooth decay and cavities are no smiling matter - especially when fillings are required. The drilling procedure is cumbersome and outright painful in some cases. To alleviate the discomfort and improve the durability and quality ...
Neural stem cell study reveals mechanism that may play role in cancer
Sep 05, 2007 |
4.3 / 5 (7) |
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In the dynamic world of the developing brain, neural stem cells give rise to neurons deep within the brain’s fluid-filled ventricles. These newborn neurons then migrate along the stem cell fibers up to the neocortex, the ...
Scientists reveal pivotal hearing structure
Sep 05, 2007 |
4.8 / 5 (5) |
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In a study published in the September 6, 2007, issue of the journal Nature, researchers showed that two key proteins join together at the precise location where energy of motion is turned into electrical impuls ...
New study shows greenback cutthroat trout involved in recovery effort misidentified
Biology /
Sep 05, 2007 |
4.8 / 5 (4) |
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A new study led by the University of Colorado at Boulder indicates biologists trying to save Colorado's native greenback cutthroat trout from extinction over the past several decades through hatchery propagation ...
Phoenix Mars Lander: Radar and Other Gear Pass Checkouts
Space & Earth / Space Exploration
Sep 05, 2007 |
4.8 / 5 (4) |
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Two crucial tools for a successful landing of America's latest mission to Mars, the radar and UHF radio on NASA's Phoenix Mars Lander, have passed in-flight checkouts.
Possible hepatitis C vaccine
Sep 05, 2007 |
3 / 5 (6) |
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Hepatitis C Virus (HCV) infects up to 500,000 people in the UK alone, many of the infections going undiagnosed. It is the single biggest cause of people requiring a liver transplant in Britain. Now, in a collaborative effort ...
Scientists explain how insulin secreting cells maintain their glucose sensitivity
Sep 05, 2007 |
3.6 / 5 (5) |
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Scientists at the leading Swedish medical university Karolinska Institutet have now disclosed the mystery how the insulin-secreting cells maintain an appropriate number of ATP sensing ion channel proteins on their surface. ...
A dog in the hand scares birds in the bush
Biology /
Sep 05, 2007 |
4 / 5 (4) |
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New research showing that dog-walking in bushland significantly reduces bird diversity and abundance will lend support to bans against the practice in sensitive bushland and conservation areas.
Air France, ESA join to offer passengers unique view of voyage
Space & Earth / Space Exploration
Sep 05, 2007 |
4 / 5 (4) |
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Have you ever wished you could clearly see the mountains, coastline, desert, ocean or city underneath your aircraft as you flew over? Passengers onboard select Air France flights will soon be able to explore ...
Scientists uncover potential mechanism of memory loss in Alzheimer's disease
Sep 05, 2007 |
5 / 5 (3) |
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Researchers at the Gladstone Institute of Neurological Disease (GIND) and Baylor College of Medicine have discovered a mechanism by which the protein Amyloid-beta(AB) may impair neurological functions in Alzheimer's disease.
