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Wed, 23 Jul 2014 15:20:23 EDT
Spinach could lead to alternative energy more powerful than Popeye
Spinach gave Popeye super strength, but it also holds the promise of a different power for a group of scientists: the ability to convert sunlight into a clean, efficient alternative fuel. Physicists are using spinach to study the proteins involved in photosynthesis, the process by which plants convert the sun's energy into carbohydrates used to power cellular processes. Artificial photosynthesis could allow for the conversion of solar energy into renewable, environmentally friendly hydrogen-based fuels.
Wed, 23 Jul 2014 14:18:20 EDT
Bird 'backpacks' put wood thrush migration on the map
Researchers have created the first migratory connectivity map produced for a songbird, using tracking from both breeding and winter sites. They were able to trace the route taken by wood thrushes from North America using bird 'backpacks'. They discovered that wood thrushes from Canada don't migrate to the same areas as their southern neighbors, and actually have a longer migratory route. The map will help identify specific areas for habitat protection.
Wed, 23 Jul 2014 14:17:24 EDT
The birth of topological spintronics: New material combo could lead to more efficient computers
The discovery of a new material combination that could lead to a more efficient approach to computer memory and logic is the first promising indication that it may be possible to build a practical technology with a novel material known as a 'topological insulator.' The research team's results show that such a scheme can be 10 times more efficient for controlling magnetic memory or logic than any other combination of materials measured to date.
Wed, 23 Jul 2014 14:17:20 EDT
15-year analysis of blue whale range off California finds conflict with shipping lanes
A comprehensive analysis of the movements of blue whales off the West Coast found that their favored feeding areas are bisected by heavily used shipping lanes, increasing the threat of injury and mortality. But moving the shipping lanes off Los Angeles and San Francisco to slightly different areas -- at least, during summer and fall when blue whales are most abundant -- could significantly decrease the probability of ships striking the whales.
Wed, 23 Jul 2014 14:17:18 EDT
The physics of lead guitar playing
String bends, tapping, vibrato and whammy bars are all techniques that add to the distinctiveness of a lead guitarist's sound, whether it's Clapton, Hendrix, or BB King. Now a guitarist and physicist has described the physics underlying these techniques.
Wed, 23 Jul 2014 14:17:16 EDT
Dog jealousy: Study suggests primordial origins for the 'green-eyed monster'
Dogs exhibit jealous behaviors. The first experimental test of jealousy in dogs supports the view that there may be a more basic form of jealousy, which evolved to protect social bonds from interlopers.
Wed, 23 Jul 2014 14:17:14 EDT
3-D image of Paleolithic child's skull reveals trauma, brain damage
Three-dimensional imaging of a Paleolithic child's skull reveals potentially violent head trauma that likely lead to brain damage.
Wed, 23 Jul 2014 14:17:12 EDT
Combination antiretroviral therapy helps treat HCV in patients co-infected with HIV
Treatment of HIV patients co-infected with the hepatitis C virus (HCV) with an anti-retroviral drug therapy not only tackles HIV, but also reduces HCV replication, according to a new study.
Wed, 23 Jul 2014 13:14:07 EDT
Major impact of climate change on Antarctic fur seals
Genetic analysis of Antarctic fur seals, alongside decades of in-depth monitoring, has provided unique insights into the effect of climate change on a population of top-predators. The findings show that the seals have significantly altered in accordance with changes in food availability that are associated with climate conditions. Despite a shift in the population towards 'fitter' individuals, this fitness is not passing down through generations, leaving the population in decline.
Wed, 23 Jul 2014 13:14:05 EDT
Age of puberty in girls influenced by which parent 'imprinted' genes are inherited from
The age at which girls reach sexual maturity is influenced by 'imprinted' genes, a small sub-set of genes whose activity differs depending on which parent passes on that gene, according to new research.
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