This is Scientific American 60 Second Science, I'm Steve Mirsky, got a minute? Tens of millions of sharks are killed for their fins each year. It's not just a tragic abuse of the animals, It's bad business. They're basically swimming dollar signs, wh

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 science, I am Charles Q. Choi! Psoriasis is an autoimmune diseasethe immune system mistakenly attacks its own body, causing red, itchy, scaly patches on the skin. But there may be a hidden upside. People with psoriasis

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I am Cynthia Graber, got a minute? Now's a great time to break out that backyard telescope. Because Saturday, March 3, is the Mars opposition. It's one of the times that the Earth and Mars pass the close

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I am Cynthia Graber, this will just take a minute~ How can we search for life on exoplanets? Step one: examine the Earth as if it were an exoplanet. Thats the idea behind a recent look at earthshine. Res

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(三)月

It sounds like the premise for a bad police drama, maybe NYPD Chimp. But scientists have found that high-ranking chimpanzees can act like cops: intervening to settle public disputes. The study appears in the journal Public Library of Science ONE. In

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I am Sophie Bushwick, got a minute? Typing can be tough for your handsbut can it also mess with your head? Researchers have discovered that words typed on the right side of a QWERTY keyboard, for example

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute~ Fruit and veggies dont just improve your dietthey could enhance your looks. A new study, done with primarily Caucasian subjects, finds that eating produce heightens red

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I'm Steve Mursky, Got a minute? The average price for a gallon of gas in the U.S. today was nearly $3.78 per gallon. But why do we calculate fuel expenditure in dollars per gallon? Wouldnt a more realist

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60 Second Science, I'm Karen Hopkin As voters vacillate among the contenders for the Republican nomination, it may matter less what the candidates say than how they sound when they say it. Because a new study shows that v

发表于:2019-01-08 / 阅读(89) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(89) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I'm Cynthia Graber, this will just take a minute~ You know the sceneits a Friday night, and your date just canceled. Youre bummed, maybe a little hurt. You think now might be a good time for a beer, mayb

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I am Christopher Intagliata, got a minute. Scientists discover new species all the timeon the order of 15,000 a year. One of the latest additions to the tree of life is a new type of leopard frog. Which

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I am Sophie Bushwick, got a minute? Is the attempt to make environmentally friendly roadways doomed to wind up in the toilet? Actually, it may be the other way around. To earn a green certification, the

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60 second Science, i am Cynthia Graber, this will just take a minute~ When you hear Western music, you generally get the emotional tone. A major key is happy. (music plays) A minor one? Thats sad. (music plays) And spoken

发表于:2018-12-24 / 阅读(96) / 评论(0) 分类 Scientific American(三)月

A quarter of all police shootings involve unarmed suspects. In a few recent cases, officers mistook cell phones and hairbrushes for guns, and shot and killed the victims. Now a study may explainin partthese errors. Researchers found that when a perso

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I am Sophie Bushwick, Got a minute~ Opera and classical music can relax you and maybe your immune system, if results with mice extend to us. Because mice that got heart transplants and who listened to op

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You've probably had the feeling. Your running shoes are pounding the pavementthen suddenly your pain fades away, and you're feeling euphoric. The runner's high

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute? Stuck on a tricky math problem? Start clapping. Grade school kids who learned about fractions through a rhythm-and-music-based curriculum outperformed their peers in t

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 Scientific American(三)月