ScienceDaily Top Science Headlines
for Saturday, May 22, 2010
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Ocean stored significant warming over last 16 years, study finds (May 22, 2010) -- The upper layer of the world's ocean has warmed since 1993, indicating a strong climate change signal, according to a new study. The energy stored is enough to power nearly 500 100-watt light bulbs per each of the roughly 6.7 billion people on the planet. ... > full story
New path for novel Alzheimer's therapies (May 22, 2010) -- Researchers have found a new Alzheimer's-related mechanism that could give rise to the development of new therapies against this disease. ... > full story
NASA's Mars rovers set surface longevity record (May 22, 2010) -- NASA's Mars Exploration Rover Project will pass a historic Martian longevity record on May 20. The Opportunity rover will surpass the duration record set by NASA's Viking 1 Lander of six years and 116 days operating on the surface of Mars. The effects of favorable weather on the red planet could also help the rovers generate more power. ... > full story
Better prognosis for children born with severe acute asphyxia (May 22, 2010) -- The prognosis for children born with severe acute asphyxia has improved in recent years owing to new clinical procedures and better diagnostics, according to new research from Sweden. By measuring levels of lactic acid in the blood during childbirth and the brain activity of the newborn afterwards, doctors can make a much more reliable assessment of the risk of serious brain damage. ... > full story
Low-cost, ultra-fast DNA sequencing brings diagnostic use closer (May 22, 2010) -- Researchers show the viability of a novel, more efficient method to sequence DNA using nanopores. By doing it fast and inexpensively, this method brings routine use of DNA sequencing in medical diagnostics closer to reality. ... > full story
Nationwide smoking ban would help reduce heart attack admissions, slash costs (May 22, 2010) -- A nationwide smoking ban would save more than million and significantly reduce hospitalizations for heart attack, according to a new study. ... > full story
Hubble finds a star eating a planet (May 21, 2010) -- The hottest known planet in the Milky Way galaxy may also be its shortest-lived world. The doomed planet is being eaten by its parent star, according to observations made by a new instrument on NASA's Hubble Space Telescope, the Cosmic Origins Spectrograph (COS). The planet may only have another 10 million years left before it is completely devoured. ... > full story
Genes and brain centers that regulate meal size in flies identified (May 21, 2010) -- Biologists have identified two genes, the leucokinin neuropeptide and the leucokinin receptor, that appear to regulate meal sizes and frequency in fruit flies. Both genes have mammalian counterparts that seem to play a similar role in food intake, indicating that the steps that control meal size and meal frequency are not just behaviorally similar but are controlled by the same genes throughout the animal kingdom. ... > full story
I am treefrog, feel me shake (May 21, 2010) -- Using experiments involving a mechanical shaker and a robotic frog, researchers have found new evidence that male red-eyed treefrogs communicate with one another in aggressive contests by using vibrations they send through their plant perches. The findings open the door to further study of what has been a neglected channel for vertebrate communication. ... > full story
Genetic secrets of common kidney cancer (May 21, 2010) -- By examining expression of every human gene in clear cell renal cell carcinoma compared to normal kidney cells, researchers have discovered gene signatures they say explain much of the biology of this common and difficult-to-treat kidney cancer. ... > full story
Presence of chemical in smoker's breath indicates person has smoked in last three days (May 21, 2010) -- If you smoke, your breath contains 2,5-dimethylfuran. A team of Catalan researchers have proved that the presence of this chemical compound indicates that a person has smoked in the last three days. This substance does not appear in the breath of non-smokers, unless they have been in direct contact with tobacco smoke for a long time. ... > full story
Get rhythm: Why the key to finding music you like is rhythm, not genre (May 21, 2010) -- So close and yet so wrong -- you might love heavy metal like Metallica but your music platform suggests you should also like the '60s sound of the Doors, simply because both bands are classified as rock. New research shows that searching for the temporal aspects of songs -- their rhythm -- might be better to find music you like than using current automatic genre classifications. ... > full story
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