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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
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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
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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
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科学美国人60秒 SSS 大敌当前小鱼也会为朋友两肋插刀
Guppy Groups Provide Friendly Protection against Foes大敌当前小鱼也会为朋友两肋插刀 Humans aren't the only species that forms friendships. Lots of animals prefer to spend their time only with certain individuals. 人类并不是唯一一
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科学美国人60秒 SSS 可穿戴设备和可拉伸电池更配哦
Engineers Build Bendy Batteries for Wearables可穿戴设备和可拉伸电池更配哦 The flat lithium ion batteries that power smartwatches are built by stacking the battery components: positive and negative electrodes, current collectors and a se
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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
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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
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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
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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
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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
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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