Climate experts debate strategies for reducing atmospheric carbon and future warming
16 hours ago |
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(PhysOrg.com) -- Reducing carbon dioxide to safe levels may require extracting carbon from the air, says Cornell climate researcher.
Brain's endocannabinoid signaling pathway kept in check by two enzymes
17 hours ago |
4 / 5 (4) |
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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 ...
Should I buy a PC or Mac?
13 hours ago |
4 / 5 (4) |
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Q. Our 6-year-old PC computer is dying a slow death and we are considering moving to a new iMac but have a few concerns. First, of all, we have several Word documents on our disk drive now that we want to keep and add to ...
Mars Reconnaissance Orbite Team Plans Uplink of Protective Files
Space & Earth / Space Exploration
Nov 25, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- The team operating NASA's Mars Reconnaissance Orbiter plans to uplink protective files to the spacecraft next week as one step toward resuming the orbiter's research and relay activities.
Study sheds light on brain's fear processing center
21 hours ago |
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Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which ...
Scientists find emotion-like behaviors, regulated by dopamine, in fruit flies
Medicine & Health / Neuroscience
21 hours ago |
5 / 5 (3) |
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Scientists at the California Institute of Technology have uncovered evidence of a primitive emotion-like behavior in the fruit fly, Drosophila melanogaster. Their findings, which may be relevant to the relationship betwee ...
Plasma produces KO cocktail for MRSA
3 hours ago |
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MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...
Superconductor magnet spacecraft heat shield being developed
2 hours ago |
5 / 5 (3) |
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(PhysOrg.com) -- European space agencies and an aerospace giant are developing a new re-entry heat shield that will use superconductor magnets to generate a magnetic field strong enough to deflect the superhot ...
Researchers discover biological basis of 'bacterial immune system'
21 hours ago |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
'Safety valve' protects photosynthesis from too much light
20 hours ago |
4.7 / 5 (3) |
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Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...
Rare woodland plant uses 'cryptic coloration' to hide from predators
19 hours ago |
4.3 / 5 (3) |
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It is well known that some animal species use camouflage to hide from predators. Individuals that are able to blend in to their surroundings and avoid being eaten are able to survive longer, reproduce, and ...
ORNL 'deep retrofits' can cut home energy bills in half
17 hours ago |
3.7 / 5 (3) |
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(PhysOrg.com) -- Oak Ridge National Laboratory has announced plans to conduct a series of deep energy retrofit research projects with the potential to improve the energy efficiency in selected homes by as ...
Venomous Aussie redback spiders invading Japan
Nov 25, 2009 |
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Australia's venomous redback spiders are on the march in Japan, where they are believed to have arrived years ago as stowaways on cargo ships, a wildlife expert warned Wednesday.
Sustainable Corn Production Supports Advanced Biofuel Feedstocks
Nov 25, 2009 |
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(PhysOrg.com) -- Researchers worldwide are trying to economically convert cellulosic biomass such as corn stover into "cellulosic ethanol." But Agricultural Research Service (ARS) scientists have found that ...
Houses of the rising sun: Research sheds new light on Ancient Greeks
Other Sciences / Archaeology & Fossils
23 hours ago |
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New research at the University of Leicester has identified scores of Sicilian temples built to face the rising Sun, shedding light on the practices of the Ancient Greeks.
