ScienceDaily: Top Science News |
- Brown eyes appear more trustworthy than blue: People judge men's trustworthiness based on face shape, eye color
- Faulty behavior: New earthquake fault models show that 'stable' zones may contribute to the generation of massive earthquakes
- Farthest supernova yet for measuring cosmic history
- Magma in mantle has deep impact: Rocks melt at greater depth than once thought
- Scientists unlock how insulin interacts with cells
- Eliminating useless information important to learning, making new memories
- Sensory hair cells regenerated, hearing restored in noise-damaged mammal ear
- Networking ability a family trait in monkeys
| Posted: 09 Jan 2013 03:58 PM PST People view brown-eyed faces as more trustworthy than those with blue eyes, except if the blue eyes belong to a broad-faced man, according to research published Jan. 9 in the open-access journal PLOS ONE by Karel Kleisner and colleagues from Charles University in the Czech Republic.  |
| Posted: 09 Jan 2013 12:12 PM PST In an earthquake, ground motion is the result of waves emitted when the two sides of a fault move rapidly past each other. Not all fault segments move so quickly, however -- some slip slowly and are considered to be "stable." One hypothesis suggests that creeping fault behavior is persistent over time, with stable segments acting as barriers to fast-slipping earthquakes. But a new study shows that this might not be true.  |
| Farthest supernova yet for measuring cosmic history Posted: 09 Jan 2013 12:11 PM PST In 2004 the Supernova Cosmology Project based at Lawrence Berkeley National Laboratory used the Hubble Space Telescope to find a tantalizing supernova that appeared to be almost 10 billion light-years distant. But researchers had to wait years until a new camera was installed on the Hubble before they could confirm the spectrum and light curve of supernova SCP-0401 -- the supernova furthest back in time useful for precise measures of the expansion history of the universe.  |
| Magma in mantle has deep impact: Rocks melt at greater depth than once thought Posted: 09 Jan 2013 10:15 AM PST Magma forms far deeper in the Earth's interior than previously thought, and may solve several puzzles for geologists.  |
| Scientists unlock how insulin interacts with cells Posted: 09 Jan 2013 10:15 AM PST An international research group has described how insulin binds to the cell to allow the cell to transform sugar into energy —- and also how the insulin itself changes shape as a result of this connection. This discovery could lead to dramatic improvements in the lives of people managing diabetes.  |
| Eliminating useless information important to learning, making new memories Posted: 09 Jan 2013 09:42 AM PST As we age, it just may be the ability to filter and eliminate old information -- rather than take in the new stuff -- that makes it harder to learn, scientists report.  |
| Sensory hair cells regenerated, hearing restored in noise-damaged mammal ear Posted: 09 Jan 2013 09:42 AM PST Researchers have demonstrated for the first time that hair cells can be regenerated in an adult mammalian ear by using a drug to stimulate resident cells to become new hair cells, resulting in partial recovery of hearing in mouse ears damaged by noise trauma. This finding holds great potential for future therapeutic application that may someday reverse deafness in humans.  |
| Networking ability a family trait in monkeys Posted: 09 Jan 2013 08:06 AM PST Two years of painstaking observation on the social interactions of a troop of free-ranging monkeys and an analysis of their family trees has found signs of natural selection affecting the behavior of the descendants.  |
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