科学美国人60秒 SSS Building a Better Mirror for Telescopes

Building a Better Mirror for Telescopes 为望远镜打造更优质镜面 To study the heavens, it's all about the photons. We in astronomy are always greedy. We want every photon we can collect. Drew Phillips, astronomer at University of California

科学美国人60秒 SSS Jupiter Moon to Be Searched for Life

Jupiter Moon to Be Searched for Life去欧罗巴寻找生命 And this mission would be NASAs first mission that is directly tasked with searching for signs of life on another world since the Viking Spacecraft were given that task back in the 1970s on

科学美国人60秒 SSS 抱住大星系的大腿

Our galactic home, the Milky Way, is big. Mostgalaxies are far smaller. And its not easy being one of those little galaxiesa big galaxys gravity can rob their gas. And gas creates new stars, so losing gas spells the end of star-making. That's what ha

科学美国人60秒 SSS 大爱发酵食品

There are sort of three main ways that our species has developed to break down foods, or process foods, in a primordial way. And that is by cooking,by fermenting foods and by drying them or desiccating them. 我们人类有三种分解食物或处理食

科学美国人60秒 SSS Super Bowl Snacks Need These Exercise Equivalents

Super Bowl Sunday is almost here and theres one question on everyones mind: How can I tackle a plate of chicken wings without adding yardage to my end zone? Well, Charles Platkin is the director of the New York City Food Policy Center at Hunter Colle

科学美国人60秒 SSS Gulf Dead Zone Makes for Shrimpier Shrimp

Every spring, the Mississippi River dumps tens of thousands of tons of nutrient runoff into the Gulf of Mexico. Add temperature, current and wind to that pollution, and you have the Western Hemisphere's largest stretch of oxygen-poor watersa so-calle

科学美国人60秒 SSS 红细胞可“记住”并适应高海拔

Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

科学美国人60秒 SSS Partnered-Up Men More Attractive to Women

It turns out the best looking thing on a man may be a good-looking woman. Researchers report that women find a man they see with an attractive woman more desirable than unattached men. Thats according to a study in the journal Evolutionary Psychology

科学美国人60秒 SSS Bacteria Might Share the Blame for Eczema

Bacteria Might Share the Blame for Eczema 皮肤湿疹可能是细菌惹的祸 Your skinlike many other parts of your bodyis crawling with microscopic critters. It's a microbial zoo in a sense. Heidi Kong, a dermatology researcher at the National Ins

科学美国人60秒 SSS Franklin's Lightning Rod Served Political Ends

Franklin's Lightning Rod Served Political Ends 富兰克林发明的避雷针竟有政治色彩？ Besides helping to create the United States of America, Benjamin Franklin of course invented the lightning rod. Which sits atop buildings and protects

科学美国人60秒 SSS Beer Marinade Cuts Grilling Carcinogens

Beer Marinade Cuts Grilling Carcinogens 健康吃烧烤的秘诀来点啤酒 Grill masters already know that a cold brew is a fine companion at the barbecue. So here's some science to toast tomarinating meat in beer actually cuts the number of potent

科学美国人60秒 SSS Heat Will Hit America's Poorest Worst

Heat Will Hit America's Poorest Worst 退出巴黎协议？伤害的可是美国穷人 In President Trump's June 1st speech withdrawing the U.S. from the Paris Climate Accord, he claimed the climate agreement was costing American workers. In a whole

科学美国人60秒 SSS 气候变暖为北极熊健康带来福音

Rising Temps Lower Polar Bear Mercury Intake气候变暖为北极熊健康带来福音 As climate change warms the Arctic, sea ice there is disappearing at record ratessea ice that polar bears prefer to prowl. As a result, some bears are spending mor

科学美国人60秒 SSS 阿片类镇痛药仍有需求

Opioids Still Needed By Some Pain Patients阿片类镇痛药仍有需求 The opioid epidemic is a national crisis that should not be underestimated. Thats a quote from a June 1st New England Journal of Medicine perspective piece by Susan Glod. Shes a

科学美国人60秒 SSS 法医学真的科学吗

Forensic Science: Trials with Errors法医学真的科学吗 We have increasing doubts about this evidence, but we dont feel yet that we have the scientific knowledge and basis to exclude it altogether. 虽然对这一证据的怀疑日渐加深，但我

科学美国人60秒 SSS 巨大冲击引发火山喷发

Large Impacts May Cause Volcanic Eruptions巨大冲击引发火山喷发 Other rocky planets in our solar system show a common feature: within giant craters caused by impacts theres evidence of volcanic activity. Which made scientists wondercan big i

科学美国人60秒 SSS 囊地鼠对抗火山大爆发

Gophers versus the Volcano囊地鼠对抗火山大爆发 May 18th is the 37th anniversary of the massive explosion of Mount Saint Helens. But within days of the volcano erupting, the local ecosystem started to bounce back. Thanks to some unassuming l

科学美国人60秒 SSS 马克龙盛邀美国研究人员到法发展

French Prez Invites Trumped Researchers马克龙盛邀美国研究人员到法发展 I wish to tell the United States, France believes in you. The world believes in you. 我想告诉你美国，法国相信你。世界相信你。 New French Presiden

科学美国人60秒 SSS 染色体来打击冒牌鱼子酱

Chromosomes Combat Counterfeit Caviar染色体来打击冒牌鱼子酱 Caviar is one of the world's priciest foods: it can cost thousands of dollars a pound. And caviar from the beluga sturgeon is the most exclusive of all. But even experts have a ha

科学美国人60秒 SSS 阿拉斯加农业大爆发

Alaska Accelerates Indoor Agriculture阿拉斯加农业大爆发 What comes to mind when you think of Alaska? Probably snow. And ice. And extreme cold. But what about tomatoes? 当你想到阿拉斯加时脑海里会想到什么？可能是雪、冰、