News tagged with national
Japan launches 5th spy satellite
Space & Earth / Space Exploration
Nov 28, 2009 |
3.4 / 5 (7) |
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(AP) -- Japan launched its fifth spy satellite into orbit Saturday in a bid to boost its ability to independently gather intelligence, the government said.
Food banks go high-tech to feed the hungry
Nov 27, 2009 |
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(AP) -- Food banks across the country are undergoing a high-tech revolution, adopting sophisticated databases, bar coding, GPS tracking, automated warehouses and other technologies used in the food industry ...
Whiteflies sabotage alarm system of plant in distress
Nov 26, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting ...
Long-term testicular cancer survivors at high risk for neurological side effects
Nov 25, 2009 |
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Long-term survivors of testicular cancer who were treated with cisplatin-based chemotherapy had more severe side effects, including neurological side effects and Raynaud-like phenomena, than men who were not treated with ...
Estrogen receptor-alpha, breast cancer patients and tamoxifen response
Nov 25, 2009 |
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Researchers have found evidence of a statistically significant survival benefit from adjuvant tamoxifen among patients whose estrogen receptor (ER)-positive tumors had high levels of phosphorylation of ER-alpha; at serine-118 ...
Brain's endocannabinoid signaling pathway kept in check by two enzymes
Nov 25, 2009 |
4.2 / 5 (5) |
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(PhysOrg.com) -- A research team has shown that blocking the degradation of two naturally occurring cannabinoids in the endocannabinoid signaling pathway of the brain produces marijuana-like behavioral effects in mice, according ...
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
4.5 / 5 (4) |
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When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Probing life's extremes in Yellowstone (w/ Podcast)
Nov 24, 2009 |
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(PhysOrg.com) -- Idaho National Laboratory biologist Frank Roberto squats on a bare, gravelly patch of ground in Yellowstone National Park's rolling backcountry. At his feet, scalding water churns in a mustard-yellow ...
Political views may skew perception of skin tone, new study finds
Other Sciences / Social Sciences
Nov 24, 2009 |
3.3 / 5 (7) |
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(PhysOrg.com) -- Political affinity could influence how some people view the skin tone of biracial political candidates, according to a new study from the University of Chicago Booth School of Business, New York University ...
Ice Cold: Cooler Than Being Cool
Nov 24, 2009 |
4.2 / 5 (10) |
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(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...
Early protein processes crucial to formation and layering of myelin membrane
Nov 24, 2009 |
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New findings from an international team of researchers probing the nerve-insulating myelin sheath were bolstered by the work of Boston College biologists, who used x-rays to uncover how mutations affect the structure of myelin, ...
Researchers Establish Common Seasonal Patterns Among Bacterial Communities in Arctic Rivers
Space & Earth / Earth Sciences
Nov 24, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- New research on bacterial communities throughout six large Arctic river ecosystems reveals predictable temporal patterns, suggesting that scientists could use these communities as markers ...
Fish food fight: Fish don't eat trees after all, says new study
Nov 24, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- What constitutes fish food is a matter of debate. A high-profile study a few years ago suggested that fish get almost 50 percent of their carbon from trees and leaves, evidence for a very ...
Acute stress leaves epigenetic marks on the hippocampus
Medicine & Health / Psychology & Psychiatry
Nov 24, 2009 |
4.7 / 5 (9) |
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(PhysOrg.com) -- Scientists are learning that the dynamic regulation of genes -- as much as the genes themselves -- shapes the fate of organisms. Now the discovery of a new epigenetic mechanism regulating genes in the brain ...
Measured -- The time it takes us to find the words we need
Medicine & Health / Psychology & Psychiatry
Nov 23, 2009 |
4.1 / 5 (7) |
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(PhysOrg.com) -- The time it takes for our brains to search for and retrieve the word we want to say has been measured for the first time. The discovery is reported in a paper published in the Proceedings of the National Ac ...
