单词：setiparous
setae of annelids arise.
单词：setiparous 相关文章
Space aliens and extraterrestrials have long been popular subjects of Hollywood movies and science fiction literature. But the idea of intelligent life in outer space is no longer limited to fiction. For the last 50 years, scientists and astronomers
VOA标准英语2010年(十一)月
Space Mysteries 太空搜密 by Kevin Lustig The universe is a big place. In all of that space, humans have discovered many things that both fascinate and mystify us. Tune in to the National Geographic Channel this month to learn about some intriguin
常春藤解析英语
Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
DEVELOPMENT REPORT - Fighting Malaria in Africa From Your Home ComputerBy Jill Moss Broadcast: Monday, July 24, 2006 This is the VOA Special English Development Report. Personal computers can spend a
2006年慢速英语（七）月
Radio telescopes are not enough, says SETI scientist Art Chimes | Washington, DC 16 April 2010 When the search for extra-terrestrial life began a half-century ago, it was assumed that technological civilizations would broadcast more and more signals
VOA标准英语2010年(四)月
Space aliens and extraterrestrials have long been popular subjects of Hollywood movies and science fiction literature. But the idea of intelligent life in outer space is no longer limited to fiction. 外星人和天外来客长期以来一直是好莱坞
VOA双语新闻 2011年2月
Ok, imagine you are at the beach, in order to figure out if there are fish in the ocean, you dip an empty glass into the water and look inside. No fish in the glass? Well, there must be no fish in the ocean. Not too logical, is it? But that's exactly
自然百科2008年
And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,
自然百科2008年
Meanwhile, back at the AAAS, ET has not phoned Earth. SETI, situated near San Jose, has not found alien intelligence. So they are, controversially, going for METI, sending messages out instead. Doug Vakoch from the SETI Institute at the press confere
英语语言学习
SETI研究员赛斯.肖斯塔克打赌说我们会在接下来的24年里找到外星生物，否则他就免费请你喝杯咖啡。在TED的加州圣何塞拍摄点，他解释了新的科学技术和概率学规律是如何证明寻找外星人很可
TED公开课:头脑游戏
Science and technology 科学技术 Searching for aliens 寻找外星人 The wow factor 防止再次意外 A new citizen-science project will improve the chances of finding ET 一个新的平民科学项目可以增大找到地外智慧的机会 EVER
经济学人科技系列
Are we alone in the universe? Its a question astronomers have pondered ever since we discovered Earth was not the only planet in the cosmos.我们是宇宙中唯一的智慧生命吗？自发现地球并非宇宙中唯一的星球以来，这个问题就
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E. T. Phoned. Now What? 外星人来电 Suppose one day scientists pick up a transmission they think is generated by alien s . Now what? Do we build a landing strip and break out the welcome wagon? Well heres the thing about picking up alien broadcas
英语听力文摘 English Digest