标签:SSS 2012-01-17 相关文章
This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute. Sailors don't need to read the stars anymorethey've got GPS. But dung beetles do not have GPS. And it now appears that they use the Milky Way as a compass. Dun
This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?Sharing syringes is a big no-no.Despite the warnings,needles sharing among injection drug users are still a significant cause for the spread of HIV and other infectiou
A book a day may keep dementia away, even if you read it as a kid. Because the study finds the exercise in the brain in any age may preserve memory. The work appears online Journal Rolonogy. Previous studies have shown that engaging in brain building
This is Scientific American 60 second science, I am Christopher Intagliata, got a minute? If you've ever dined with a stuffy nose, you know that what you smell strongly influences what you taste. But what you see matters too. Even the color of a cup
A steaming mug of coffee helps me wake up in the morning.But it can do more than just keep your eyes open. Caffine may actually boost your memory. Researchers gathered 160 uncaffinated adults, people who consumed less than 500 milograms of caffine in
This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You've probably seen clouds of insects swirling round a streetlamp at night. But something you may not have noticed is that streetlights attract bugs to the gr
Stockbrokers are some of the highest paid sales workers in the country. But they also have one of the largest gender pay gaps in sales jobsdata from the mid 90s show that women made 20 percent less than men. But stockbrokers are usually paid through
Does an ice-cold drink actually taste better than the same beverage at room temperature? Depends on what its taste is: a new study finds that the intensity of some flavors varies with temperature. The work is in the journal Chemosensory Perception. R
Have you ever wanted to turn down the volume at a deafening concert or noisy bar? Envy the whale: a new study finds that toothed whales can reduce their own auditory sensitivity when they expect a loud sound. The work is presented at this weeks Acous
If you enjoy sharing all your likes and dislikes on Facebook, youre definitely not alone: research finds that broadcasting personal opinions gives people the same sense of reward as earning money. The study is in the Proceedings of the National Acade
This is Scientific American 60 Second Science, I am Amy Kraft. Got a minute Jack Nicholson, playing the crazed caretaker in The Shining, makes me reach for a blanket. Now a study finds that people we find, well, creepy can actually make us feel colde
This is Scientific American 60 Second Science, I am Amy Kraft. Got a minute Jack Nicholson, playing the crazed caretaker in The Shining, makes me reach for a blanket. Now a study finds that people we find, well, creepy can actually make us feel colde
Jack Nicholson, playing the crazed caretaker in The Shining, makes me reach for a blanket. Now a study finds that people we find, well, creepy can actually make us feel colder. The research will be published in the journal Psychological Science. Rese
Heres a tale of genes, smells and pigs. Most people have two copies of a gene that enables them to detect a steroidal pheromone called androstenonewhich is found in male mammals, particularly porkers. But most pigs in developed countries have been ch
Most people have two copies of a gene that enables them to detect a steroidal pheromone called androstenonewhich is found in male mammals, particularly porkers. But most pigs in developed countries have been chemically castrated. Which means much les
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
Stress sucks. It can affect your body and mind. Previous research has shown that stress can even hinder our ability to remember.But this study typically focus on one stress at a time. What happens when we face multiple stresses. Researchers looked up
Wheat helped create civilization in the Middle East. Its a staple crop for 30 percent of the worlds population. And now, with the publication of four articles in the journal Science, were close to a detailed understanding of the bread wheat genome. W
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