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Today on New Scientist: 28 August 2009

作者:禄尚鹅    发布时间:2019-03-08 06:03:02    

This is a digest of the stories posted to newscientist.com from 6pm yesterday until 6pm today. We’re running it as an experiment. Did you find it useful? Do you have suggestions about how we can make it better? Let us know. Thanks for your comments so far: we’re taking notes. Winners wear red: How colour twists your mind The colour of your clothes can influence the outcome of a fight, a soccer match, or even your mark in an exam Wanted: Interrogation that works and isn’t torture The US government wants scientists to reveal the best way to get information out of prisoners without torturing them – but is there anything to tell? Central Europeans were first adults to drink milk We thought the gene that allows adults to digest milk first arose to help sun-starved Scandinavians get vitamin D – but it emerged further south Universal kernel code to keep computers safe A “microkernel” that can underpin any operating system could make computers more reliable and secure Rogue proteins spread prion diseases all by themselves The finding should help end a dispute over whether a virus has to be involved as well Psoriasis cuts sensitivity to disgust This adaptation may protect people with the skin disorder from hurtful responses to their appearance One-gene method makes safer human stem cells Human nerve cells have been reset to an embryo-like state using just one gene, reducing the risk that they will become cancerous Fasting could extend female fertility Cutting food supply can extend the reproductive lifespan of mice and nematode worms, offering clues on how to reset women’s biological clock The still life of space tools Through the lens of photographer Michael Soluri, bespoke tools for repairing the Hubble Space Telescope become “engineering art” Microscopes zoom in on molecules at last Decades after the first microscope pictures of atoms, take a look at the first ever close-up of a molecule Physicists successfully predict stock exchange plunge The physics of complex atomic systems has been used to accurately forecast the Shanghai stock market Newly evolved fur coat a quick hit in Nebraska Deer mice had no gene for light fur 10,000 years ago, which shows how rapidly gene mutations can spread through a population of animals Laughing gas is biggest threat to ozone layer Nitrous oxide, produced by the bacterial breakdown of nitrogen, is now the dominant ozone-depleting substance emitted by humans, a new study shows Teetotallers more likely to be depressed There are lots of reasons why, but people who actually self-identify as abstainers are most at risk, says Michael Marshall Climate Wizard of Oz condemns Kansas US bread basket states to be worst hit by global warming, according to a new interactive map created by the Nature Conservancy, says Shanta Barley Review: The Perfect Fruit by Chip Brantley Love at first bite for the pluot – ¼ plum,

 

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