Scientific American's Sixty

So 2009 was, in part, a year of powerful people behaving badly. We had Kanye West stealing Taylor Swifts moment at the VMA awards, South Carolina governor Mark Sanford disappearing to, ahem, hike the Appalachian trail, and of course David Letterman,

发表于:2018-12-02 / 阅读(246) / 评论(0) 分类 未知分类

Before you pay big money for caviar, check with two New York City high school students. Brenda Tan and Matt Cost worked with DNA barcoding experts at Rockefeller University and other researchers at the American Museum of Natural History to identify h

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Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. Now, archaeologists have turned up some of those ancient medicines which were preserved in a shipwreck for close to two millennia. The 2nd centry Pozzino wr

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When normal population of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as Clostridium Difficile, C Dif. The mean symptom is nearly constant and debilitating diarrhea. One of the

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This is Scientific Americans 60 second Science, I am Gretchen Kuda Kroen, this will just take a minute. When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as

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This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est

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This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will take a minute. If Alice is smart, and Bobs even smarter, working together they would A) be twice as smart, B) be half as smart or C) form a task force and get nothing done. Ac

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This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? Scientists have finally verified something that Jersey Shore stars Snooki and Pauly D have probably known all alongthat getting your bronze on at the tann

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This is Scientific American's 60-Second Science. Im Cynthia Graber. Thisll just take a minute. You might expect young women scientists to make less than older men. But veteran female life science researchers, even in very advanced positions, still ma

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Grazing Cattle Trim the Menu for Birds 愿为鸟儿修改食谱的牛群 When birds face the destruction of their habitat, some species dont make it while others survive. But what happens at the very beginning of the process, just as a bird's habitat

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Stone Age Pottery Reveals Signs of Beekeeping陶器揭露人类养蜂历史 You have bees to thank every time you drizzle some honey into your tea. And the human-honeybee relationship is long-standing. Iconography of honeybees adorns 4400-year-old wa

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This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Over the years regulations have developed to limit the hours of hospital interns and residents, because someone putting in a 100-hour workweek might not be at their best w

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

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This is Scientific American's sixty seconds science, I'm Steve Mirsky. Got a minute? The eastern green tree frog looks exactly like the close related cops gree tree frog, the big difference between the two species is beneath the surface. The eastern

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You've found that perfect pricey gift to your significant other. Now you decided to pick up a little something else, but wait! The second smaller gift can actually take away from the powerful impression from the gift No. 1. That's according to the an

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spiciness is chilli pepper's best defense against seed attacking microbes.but not all chillis are hot, because producing that heat comes at a price.so says a study in journal proceeding the royal society b.researchers look at wild chilli populations

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material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

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This is scientific American's 60 seconds science.I'm Sophie Bushwick.Got a minute? For shift workers odd hours usually mean strange sleeping habits and unhealthy meals.And now an editorial in the journal Public Library of Science Medicine takes the p

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In March 2015, the co-pilot of Germanwings Flight 9525 crashed the jet into the French Alps, killing himself and 149 others. Later on, investigators found out he'd googled poisons, and living wills. And he'd previously been treated for severe depress

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