美国科学60秒 SSS 2013-03-01
As many San Franciscans have noticed, sourdough bread stays fresher longer than the regular stuff. Sourdoughs extended freshness is due to extra fermentation that traps more moisture in the dough. But now we know that sourdoughs longevity is also bec
美国科学60秒 SSS 2013-03-04
this is Scientific American's 60 seconds' Science, i am Karan Hawking. This will just take a minute. Secret feeling chilly? Well, they may be a solution. Because researcher has generated genetic engineering mice: the kent field the cord. They worked
美国科学60秒 SSS 2013-03-05
Women might expect to need new clothes after giving birth by a bigger pair of shoes. Well, yeah, because pregnancy can actually bland them and wide them in women's feet. Ihat's going to a study in the American Journal of Physical Pedichine and Rehabl
美国科学60秒 SSS 2013-03-06
Unless you are a convention, speaking middle English is not going to impress a potential romantic partner in 2013. Similarly, male sparrows have to make sure their vocalization is up to date. Researchers analyze three decades of recordings of male sp
美国科学60秒 SSS 2013-03-08
Don't forget to move your clocks forward this weekend and then don't forget to be more careful on the days after you adjust your clocks. Because 2009 study found the hour of the lost sleep was related to increase job related injuries. Probably becaus
美国科学60秒 SSS 2013-03-12
Don't forget to move your clocks forward this weekend and then don't forget to be more careful when the day is after you adjust your clocks because 2009 study found the hour loss of sleep was related to increase job related injuries. Probably because
美国科学60秒 SSS 2013-03-13
This is Scientific American 60 second Science, Im Christopher Intagliata. Got a minute? Winter is high time for heart attacks. And while snow shoveling can pose a danger to your heart, the winter heart attack trend holds true in places that never see
美国科学60秒 SSS 2013-03-14
This is Scientific American 60 second Science, Im Sophie Bushwick. Got a minute? It was thought that saltwater seas separated Central and South America millions of years ago. But a recent discovery may render that idea all wet. Because archaeologists
美国科学60秒 SSS 2013-03-20
This is Scientific American 60 second Science, Im Christopher Intagliata. Got a minute? Olive oil is thought to be healthy because it's mostly monounsaturated fat. But cold-pressed extra-virgin olive oil may have an extra benefit: it appears to be mo
美国科学60秒 SSS 2013-03-21
This is Scientific American 60 second Science, Im Steve Mirsky Nothing was on the table at the annual Isaac Asimov Memorial Debate March 20th at theAmerican Museum of Natural History in New York City. Heres Hayden PlanetariumDirector Neil deGrasse Ty
美国科学60秒 SSS 2013-03-25
This is Science American-60 minute Science, I'm Sofie Bushway. Got a minute? Roosters greet the rising sun with Ohh, but they also crowed at other times, so are they responding to the light or do they simply know that it's morning. New research sets
美国科学60秒 SSS 2013-03-26
Teachers might want to think twice about posting 'no gum chewing' signs in the classroom. It turns out that the sticky substance might help students concentrate. Researchers had two groups of 20 people each listen to a 30-minute recording that includ
美国科学60秒 SSS 2013-03-27
A heavy metal concert might be a tough place to think about physics.especially at the marsh pit while some audience members were dancing violently.But the marsh pit itself actually is interesting place to find physics and actions.and not just four se
美国科学60秒 SSS 2013-03-28
In southwestern African namely,desert,the lack of rainwater keeps grass sparks.but in some areas,mysterious rain brings grass with bare center appeared thrive. Now scientists sub discovery the so called the very circles are decreased by wearied littl
