单词:trinitrotriphenyl-methane
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The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo
神奇校车带领孩子们进入浩瀚的科学领域,游梭于生物科学、地球科学、太空科学、气象学、古生物学等各门学科中。被纽约时报评为最新鲜有趣、最富有创意和想象力的科学启蒙方式。孩子
STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein. This week on our program, we look at what some companies are doing to help their employees get healthy and stay healthy. We also ta
Scientists in Mexico say they may have found a way to cut production of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th
我们是否生来就乐观有余而现实不足?Tali Sharot与我们分享的最新研究表明:人类的大脑更倾向于接受乐观的信息,而这样的特点既对人有益又十分危险。
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
SCIENCE IN THE NEWS – July 16, 2002: Foods That Protect Against Disease VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abou
SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about methane gas thought to be tr
Technology Report - A Mobile App in Delhi Aims to Protect Women 科技报道 - 一款保护女性安全的手机应用程序 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 More than twenty thousand
Dairy farmer, researchers look for ways to power cars with bio-gas from cattle Tom Banse | Bellingham, Washington 23 February 2010 Dairy owner Darryl Vander Haak turns cow manure into 'bio-gas' which burns like natural gas in a small electric power p
M23 Rebels Urged to Protect Civilians Humanitarian agencies in the eastern DRC are scrambling to locate displaced civilians and provide assistance following the M23 rebel groups takeover of Goma. For years, the town has been the center of aid operati
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
By Jeff Swicord Cheyenne, Wyoming 10 September 2007 Workers at adairy farm There is growing concern that farms and ranches in the western U.S. could become the target of agroterrorism. The devastating outbreaks of foot and mouth disease in Britain a