科学美国人60秒 SSS 2016-8-09

So what does rafting down the Grand Canyon have to do with science education? 那么大峡谷漂流而下与科学教育有什么关系呢？ Ann Reid, former research biologist and current executive director of the National Center for Science Educat

科学美国人60秒 SSS 2016-8-10

Half of all fish people eat worldwide now come from fish farms. So farms need to do more to keep up with demand. 现在全世界一半供人类食用的鱼来自养鱼场。因此，养鱼场需要采取更多办法以满足需求。 If we look to th

科学美国人60秒 SSS 2016-8-12

Walk through Times Squareyou're bombarded with advertising. And it turns out, a bumblebee might have a similar feeling, buzzing through a field of flowers. So these flowers are these billboards, they're advertising a good, this delicious nectar rewar

科学美国人60秒 SSS 2016-8-13

If you've gone shopping for a car lately, you might have noticed that fuel economythe number of miles per gallonis creeping up. One reason is a more efficient type of fuel injection, called gas direct injection. Its a feature of half the new cars sol

科学美国人60秒 SSS 2016-8-14

A recent headline on the Web site theverge.com got a lot of attention on social media. Because each new phrase seemed to take the message in an unexpected direction. The headline read: U.S. government plans to use drones to fire vaccine-laced MMs nea

科学美国人60秒 SSS 2016-8-15

In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African

科学美国人60秒 SSS 2016-8-02

Weve all heard the adage: monkey see, monkey do. But it is literally trueif a monkey sees you looking at something, it will look, too. Now, a study shows that this tendency for a monkey to track what another is looking at is age-dependent. And in a v

科学美国人60秒 SSS 2016-8-03

When it comes to wine, the concept of terroir is sort of a nebulous thing. Terroir is sometimes translated as the wines character. Here's how my friend Valerie, a wine importer, explained it: I would say terroir is a specific set of natural elements

科学美国人60秒 SSS 2016-8-04

It may not be the most melodious bit of birdsong youll ever encounter. [Titmouse alarm call]. But this particular call, issued by a tufted titmouse, conveys important information about the presence of potential predators. But only if other birds can

科学美国人60秒 SSS 2016-8-01

疲劳驾驶每年导致6400名美国人死亡 It's particularly concerning that 56 million Americans a month admit that they drive when they haven't gotten enough sleep and they are exhausted.Charles Czeisler. Hes the director of the Division of Sle

科学美国人60秒 SSS Orangutan Picks Cocktail by Seeing Ingredients

Imagine you had never tasted lemonade. You would still probably assume that lemon juice mixed with sugar tastes better than lemon juice alone. Because you know what lemons taste like, and you know what sugar tastes like. You can recall those past exp

科学美国人60秒 SSS Small-Brained Birds More Likely to Get Shot

The old expression bird brain, referring to a small or inadequate brain sizeits not all that accurate. Take crows, for example, and other corvids, like jays and magpies. Many corvids have relatively large brains for their body size, and can do amazin

科学美国人60秒 SSS Online Sociality Linked to Lower Death Risk

Exercise and healthful eating are linked to better healthand so is having a decent circle of friends. Now it looks like that link between friends and better health is true for the major online social network, too: Facebook. Researchers compared the h

科学美国人60秒 SSS Photonic Chip Could Strengthen Smartphone Encryption

Random numbers are hugely important for modern computing. They're used to encrypt credit card numbers and emails. To inject randomness into online gaming. And to simulate super complex phenomena, like protein folding or nuclear fission. But here's th

科学美国人60秒 SSS Protein Test Could Complement Crime Scene DNA Analysis

DNA analysis is a staple of crime scenesand crime shows, like HBO's The Night of or the old standby, CSI: We just need to get this to the DNA lab, confirm it's the victim's blood. And then, case closed. And it's not just for crime: DNA sequencing als

科学美国人60秒 SSS Shark Fins Contain Toxic ＂One–Two Punch＂

Living at the top of the food chain, sharks can accumulate dangerous levels of methylmercury. So much that pregnant women and children are advised not to eat shark at all. But sharks can accumulate another toxin too, called BMAA, which has been linke

科学美国人60秒 SSS 2016-7-14

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科学美国人60秒 SSS 2016-7-08

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科学美国人60秒 SSS 2016-7-11

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

科学美国人60秒 SSS 2016-7-12

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！