Undersea Recordings Reveal a Whale's Tale One of the drawbacks of researching blue whales is that most of the time you can't see what your study subjects are doing, or how many there areor even, where they are. Satellite tags have revealed some of th

发表于:2019-01-18 / 阅读(145) / 评论(0)

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科学美国人60秒 SSS 狩猎规则改变了熊妈妈的照顾事项

Hunting Rules Have Changed Mama Bear Care In North America, many critters commonly encountered todaylike wild turkeys or white-tailed deerwere brought back from near oblivion through conservation efforts led by hunters. Meanwhile, in Africa, some of

发表于:2018-12-24 / 阅读(130) / 评论(0)

2018年科学美国人5月

科学美国人60秒 SSS 计算机可与人类在人脸识别上相媲美

Computers Go Head-to-Head with Humans on Face Recognition Google and Facebook both do a nice job identifying your friends in photosa testament to how good machines have gotten at studying human faces. But how well would an algorithm fare, when pitted

发表于:2018-12-24 / 阅读(141) / 评论(0)

2018年科学美国人5月

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Radar Scans Detail North Korean Nukes North Korea has promised to close its underground nuclear test site at Mount Mantap later this month. Shortly thereafter, President Trump is set to meet North Korea's leader Kim Jong-un in Singapore. 朝鲜已承诺

发表于:2018-12-24 / 阅读(116) / 评论(0)

2018年科学美国人5月

科学美国人60秒 SSS 影响地球的不止是太阳和月亮

Jupiter and Venus Squeeze Earth's Orbit The Sun exerts an enormous and obvious influence on the Earth, with its gravity and light. But other bodies also have a small say in our affairs. 太阳用其重力和光线对地球产生巨大而明显的影响

发表于:2018-12-24 / 阅读(106) / 评论(0)

2018年科学美国人5月

科学美国人60秒 SSS 火星着陆器将在行星内部运行

Mars Lander Will Peer Inside Planet Absolutely spectacular missionand its not a rover, its a lander. Its designed to land and deploy several instruments. 这是一个绝对壮观的使命......它不是漫游者，而是着陆器。旨在登陆和部署

发表于:2018-12-24 / 阅读(125) / 评论(0)

2018年科学美国人5月

科学美国人60秒 SSS 非洲：未来的全球科学枢纽

Africa: Future Worldwide Science Hub In a couple of decades from now Africa is going to be the powerhouse of human capital globallythe youngest continent in terms of young demography. 从现在开始的几十年内，非洲将成为全球人力资本的

发表于:2018-12-24 / 阅读(108) / 评论(0)

2018年科学美国人5月

科学美国人60秒 SSS 考古学家为尼安德特人航海做个案研究

Archaeologist Makes Case for Seafaring Neanderthals The more we learn about Neanderthals, the more like us they become. They made jewelry, from shells and eagle talons. They probably painted cave art. They may have buried their dead as well. 我们对尼

发表于:2018-12-24 / 阅读(116) / 评论(0)

2018年科学美国人5月

科学美国人60秒 SSS 坏音频会伤害科学家的可信度

Bad Audio Can Hurt a Scientist's Credibility In the era of fake news, it's worth remembering: the medium is the message. For example: psychological studies have shown that text that's hard to read is more likely to be deemed untrue. Now a study sugge

发表于:2018-12-24 / 阅读(121) / 评论(0)

2018年科学美国人5月

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