科学美国人60秒 SSS 狼群需要更多生存空间

Wolves Need More Room to Roam狼群需要更多生存空间 Wolves are vital players in various ecosystems. So we humans need to develop a better tolerance for wolves. And the wolves need more space. Thats according to a new study in the journal Natu

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 2017年Scientific American(六)月

科学美国人60秒 SSS 物理学帮你稳住拉杆箱

Keep Rolling Luggage Upright With Physics物理学帮你稳住拉杆箱 If you've ever pulled a rolling suitcase through the airport, chances are you've also been annoyed by this common occurrence: the suitcase starts rocking back and forth on each w

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 2017年Scientific American(六)月

科学美国人60秒 SSS DNA Points to Multiple Migrations into the Americas

DNA Points to Multiple Migrations into the Americas 美洲多次殖民迁移之谜 For more than ten thousand years, Alaska Native and Canadian First Nations people have lived along the Northwest coast of North America. Now, ancient remains have prov

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 2017年Scientific American(六)月

科学美国人60秒 SSS Better Memory Begets Boredom

Better Memory Begets Boredom 记忆力太好的坏处？ Summers here and it wont be long before school-aged kids across America start complaining that theyre tiredof riding their bikes, playing at the park, swimming in the pooland all the other awes

发表于:2018-12-24 / 阅读(52) / 评论(0) 分类 2017年Scientific American(六)月

科学美国人60秒 SSS Moths Inspire Better Smartphone Screens

Moths Inspire Better Smartphone Screens 飞蛾帮你改进智能手机屏 One of the things that makes your smartphone so smart is that if you pull it out in the sun, it senses thatand dials up the screen brightness to compensate. But it's not a perf

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 2017年Scientific American(六)月

科学美国人60秒 SSS Last Woollies Had Mammoth Mutations

Last Woollies Had Mammoth Mutations 长毛象灭绝的真正原因是 In their heyday, woolly mammoths blanketed the Siberian steppe, Alaska and large parts of North America. But by 10,000 years ago, warming climates had turned many of the grasslands

发表于:2018-12-24 / 阅读(54) / 评论(0) 分类 2017年Scientific American(六)月
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