美国国家公共电台 NPR A New Kind Of March Madness Hits Schools

RACHEL MARTIN, HOST: The NCAA March Madness tournament features some tough matchups - badgers versus gators, rams versus bulldogs, wolverines against cardinals. But what if those animals actually did face off, like in nature? Who would win? Kat Lonsd

科学美国人60秒 SSS Ebola Virus Grew More Infectious in the Latest Epidemic

Ebola outbreaks before the most recent one have been fairly contained: geographically limited, and just a couple hundred cases. The latest outbreak, though, which started in late 2013 and lasted more than two years, was entirely different. There were

美国科学60秒 SSS 2013-05-21

The patato family island kills a million people in a mass imigration. The patatoes were destroyed by L. Calls by the water infested. Now we know exactly which steam of the water did the dirty work. Researchers analyzed the dry patato leaves well over

美国科学60秒 SSS 2015-01-26

It may not the lengdary match-up .. versus octopus. But imagine this fight: sea dwelling cone snail versus tine fish. Who wins? well, true, the fish can .. away but the snail have chemical weapons. So they use ..cocktail of compounds and most of them

美国科学60秒 SSS 2015-01-08

This is scientific American 60 seconds science. I'm *, got a minute ?Genetically engineered bacteria already proves some products are commercial interests or biometical importance such as insulin. And coaxing the organism to do so can be done with a

科学美国人60秒 SSS Pollinators Shape Plants to Their Preference

Pollinators Shape Plants to Their Preference我的进化来自你的偏好 Honeybees are the charismatic microfauna of the pollination world. But flies, bumblebees, butterflies and mothsthey all pollinate, too. With varying degrees of success. The po

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It turns out the best looking thing on a man may be a good-looking woman. 结果证明，男性身上最耐看的是旁边站一个漂亮的女性。 Researchers report that women find a man they see with an attractive woman more desirable than unatt

VOA慢速英语2018 法国虎鲸会说"你好和再见"

This is What's Trending Today... 这里是《今日热点》节目。 Wikie is a 14-year-old whale living in captivity in France. 薇姬（Wikie）是一头14岁的鲸鱼，现圈养在法国。 Wikie is an orca. Orcas are extremely smart, making the

VOA标准英语2012--Study: Noisy Environment Affects Plants

Study: Noisy Environment Affects Plants Researchers havent given much thought to the effect of noise and noise pollution on plants. But that could be about to change. In northwestern New Mexicos Rattlesnake Canyon, gnarled juniper trees and pi?on pin

VOA标准英语2009年-Gates: US Effort Not On Hold During Afghan

By Al Pessin Aboard US Military Aircraft Over Pacific Ocean 20 October 2009 US Defense Secretary Robert Gates U.S. Defense Secretary Robert Gates says the United States and its allies must work with whatever Afghan government emerges from last month

VOA标准英语2014--Dinosaur Descendants Shrank to Survive

Dinosaur Descendants Shrank to Survive Not all dinosaurs went extinct. Some are alive today in the form of birds. A new study finds that shrinking helped these birds continue to thrive and evolve. If we really want to know how birds came about, then

美国国家公共电台 NPR Men, Listen Up: Women Like The Smell Of Guys Who Eat A Certain Diet

RACHEL MARTIN, HOST: What we can eat can influence more than our waistlines. It turns out, our diets also help determine what we smell like. Evolutionary scientists wondered whether this might play a role in attracting a mate. And as NPR's Allison Au

美国国家公共电台 NPR Biologist Jonathan Losos Explores 'Convergent Evolution' In 'Improbable Destinies'

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

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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 生脉隆起导致生物多样化

Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所

英语听力：自然百科 徒步南非：喀拉哈里大沙漠—14

--So there it is the Orange River, resplendent in all its glory. It's journeyed all the way across the South Africa before making this dramatic plunge, the lifeblood of the area.--This has been my most remote walk so far, and we've crossed some prett

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每次生病了，家里人最多说的一句话就是不吃药怎么行？。可是，有的时候吃药不一定就对身体有好处，反而有可能会帮助病原体攻击我们的身体。今天我们来了解了解一种新的理论达尔文医

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There are now more than 16 million bitcoins incirculation, with a total market cap of 130 billiondollarsmore than the market value of Netflix, Priceline or Starbucks. Just going by numbers, bitcoin is the one coin to rule them all. 目前在流通的比

科学美国人60秒 SSS Partnered-Up Men More Attractive to Women

It turns out the best looking thing on a man may be a good-looking woman. Researchers report that women find a man they see with an attractive woman more desirable than unattached men. Thats according to a study in the journal Evolutionary Psychology

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Why Giving Birth Hurts 为什么生孩子很痛苦？ Y: Don, you sure are lucky dont have to give birth. Im glad were an intelligent species, but boy, that infant head feels mighty large going through that narrow birth canal. And then, after all tha