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

发表于:2019-03-15 / 阅读(223) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Climate Change Might Shrink Fish

Climate Change Might Shrink Fish 气候变化会迫使鱼类变小 As the world's oceans heat up, salmon are migrating earlier. Plankton are shifting their range. But warmer water temperatures also mean warmer fishand faster-running metabolisms. 随着

发表于:2018-12-24 / 阅读(52) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Recycle Your Eclipse Glasses

Recycle Your Eclipse Glasses 公益！回收利用日食观测镜 Youve all taken off your glasses by now, along with the family and friends of my friend Dennis Meredith. Because the Great American Eclipse of 2017 has come and gone. And most people i

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Winking Star Six Centuries Ago Explained

Winking Star Six Centuries Ago Explained 揭秘600年前那颗一闪即逝的恒星 On March 11, 1437, Korean royal astronomers noticed something out of the ordinary in the night sky. There was a brand new star they'd never seen before, between two o

发表于:2018-12-24 / 阅读(47) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Rabbit Relatives Reel from Climate Change

Rabbit Relatives Reel from Climate Change 气候变化又将害死谁 Up in Californias High Sierra, above the dense pine forests, rocky habitats reign. And if you look carefully among the boulders, you might see a pikaa rabbit relative the size of a

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Windows Vex Bats' Echolocating Abilities

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(84) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Wetlands Could Save Cities--and Money, Too

Wetlands Could Save Cities--and Money, Too 湿地不仅能保护人类还能替人类省钱 As Houston begins recovery efforts from Hurricane Harvey, a new storm threatHurricane Irmais barreling west towards the Caribbean and Florida. We have few def

发表于:2018-12-02 / 阅读(78) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Feds Want to Know Who's Protesting Trump

Feds Want to Know Who's Protesting Trump 联邦政府妄图追查谁在抗议川普 Internet companies often receive requests by law enforcement for customer info to help with ongoing investigations. Rarely, however, will a court order hit up a Web h

发表于:2018-12-02 / 阅读(71) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Cannibalism Quells Contagion among Caterpillars

Cannibalism Quells Contagion among Caterpillars 同类相食可防治传染病 Ben Van Allen collects caterpillars. 本 范 艾伦喜欢收集毛毛虫。 While doing postdoctoral research at Louisiana State University, 在路易斯安那州立大学做

发表于:2018-12-02 / 阅读(82) / 评论(0) 分类 2017年Scientific American(九)月

科学美国人60秒 SSS Grazing Cattle Trim the Menu for Birds

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

发表于:2018-12-02 / 阅读(75) / 评论(0) 分类 2017年Scientific American(九)月
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