This Caterpillar Whistles While It Irks 毛虫会吹口哨?还是一种恐吓战术? Songbirds produce a rich repertoire of sounds: songs, of course, but also chatter calls, flight calls and alarm calls: like this high-pitched warning from a blac

发表于:2019-01-20 / 阅读(95) / 评论(0) 分类 2017年Scientific American(八)月

To Buy Happiness, Spend Money on Saving Time 金钱也能买到幸福哦 We all know money cant buy happiness. But according to a recent study, there may be a loophole. A team of researchers finds that shelling out for services that save time can bri

发表于:2019-01-20 / 阅读(78) / 评论(0) 分类 2017年Scientific American(八)月

Bacteria Can Be Resistant to Brand-New Antibiotics 谁在对抗最新的抗生素 Perhaps the chief poster child of antibiotic resistance is methicillin-resistant Staphylococcus aureus, or MRSA. The bacterium is impervious to a suite of antibiotics,

发表于:2019-01-20 / 阅读(90) / 评论(0) 分类 2017年Scientific American(八)月

Mediterranean Diet Works--for Upper Crust 地中海式饮食只对上流社会有好处? The Mediterranean diet is well known for its heart-healthy effects. It even sounds healthful: lots of fruits and veggies, whole grain and legumes. Plus olive o

发表于:2019-01-20 / 阅读(76) / 评论(0) 分类 2017年Scientific American(八)月

Celebrities Tweet Like Bots 大V账户更博的是名人还是机器? Twitter has more than 300 million monthly active users. But researchers have estimated that between about 30 million and 50 million of those are Twitter botsautomated accounts th

发表于:2019-01-20 / 阅读(188) / 评论(0) 分类 2017年Scientific American(八)月

Screams Heard Round the Animal World 人类与生俱来的尖叫声识别能力 What does panic sound like? clip of Homer Simpson scream Like that, for sure. But also like this pig sound. And this chickadee sound . But maybe you already knew that. Be

发表于:2019-01-20 / 阅读(112) / 评论(0) 分类 2017年Scientific American(八)月

Climate Change Fires Up Polar Bear Treadmill 气候变化害苦了北极熊 Polar Bears spend most of their time roaming the sea ice in search of seals. And seals spend most of their time underneath that ice, avoiding the top predator. But climate ch

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 2017年Scientific American(八)月

Cold Snap Shapes Lizard Survivors 南方寒潮中的幸存者后来都怎样了 In January 2014, an epic cold wave swept across the southeasta snowpocalypse so severe that thousands of drivers in Atlanta abandoned their cars on icy highways and Inter

发表于:2018-12-24 / 阅读(81) / 评论(0) 分类 2017年Scientific American(八)月

Textalyzer Aims at Deadly Distracted Driving 能够测试驾驶时是否分心的神器 Fifty years ago, British inventors made and marketed the first electronic breathalyzer. The alcohol gauge has become standard issue for U.S. law enforcement crack

发表于:2018-12-24 / 阅读(58) / 评论(0) 分类 2017年Scientific American(八)月

Social Media Sites Can Profile Your Contacts 允许读取联系人等于出卖朋友? When you install an app on your smartphone, youre often asked whether youd like to share your list of contacts with that app. That might be a convenient way to co

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2017年Scientific American(八)月

Solar Eclipse in 1097 May Be Rock Carving Subject 古代雕刻记载天文景观 More than 900 years ago, the Pueblo people were thriving in New Mexicos Chaco Canyon. While they were there, the region experienced what the whole country is looking for

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 2017年Scientific American(八)月

Seeing One Solar Eclipse May Not Be Enough 观看日全食会上瘾?8.21.日全食来啦! I expected to have this interesting intellectual experience, and instead it was just completely visceral. 我很期待这种有趣的科学体验,而且这完

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2017年Scientific American(八)月

A Fruitful Experiment in Land Conservation 橘子皮的神奇作用 In the fight to conserve tropical rainforests, here's a tool you don't often hear about: orange peels. Specifically, 12,000 tons of them, dumped on the land. You don't usually associ

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 2017年Scientific American(八)月

No Bull: Lizards Flee When They See Red 原来蜥蜴也怕红 You wouldn't think studying lizards is a particularly dangerous profession. Until, that is, sheriffs approach you with their guns drawn. We get the cops called on us sometimes. 你一定不认

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 2017年Scientific American(八)月