单词:dinitriophenyl
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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
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
By Naomi Martig Hong Kong 20 March 2008 Stock markets in Asia remain jittery, with fears of a U.S. recession continuing to cause major market fluctuation. As Naomi Martig reports from Hong Kong, financial analysts say that this may be the beginning o
Iranian President Mahmoud Ahmadinejad addressed thousands of flag-waving supporters at a victory rally to celebrate being officially proclaimed winner of Friday's election, despite widespread accusations of fraud. Supporters of Iranian President Mah
dinks sandwich generation 我们上次给大家介绍了baby boomers和yuppies。 这是两个反映美国社会变化的习惯用语。今天我们再给大家讲两个这方面的俗语。在第二次
The Edinburgh International Festival is over fifty years old and has earned its reputation as one of the world's greatest celebrations of the arts. The founders of the Festival believed that the Festival programmes should be of the highest possible a
Jordin Sparks在她会说话之前, Jordin 的歌声就频频出现在电视和广播里, 三岁的时候就在她妈妈的磁带里清脆放音. 在小学时她用厨房当排练室,站在橱柜上练声,初中时在教堂唱诗班唱歌, 并乐此不疲。 2006年九月,她陆续赢得了亚利桑那偶像,西雅图偶像,接着在那里获得
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
RIO DE JANEIRO, Nov. 10 (Xinhua) -- Rio de Janeiro mayor Eduardo Paes is reportedly preparing a bold proposal to bring Formula 1 to the Brazilian city. Paes is seeking talks with Formula 1 CEO Bernie Ecclestone about the prospect of making Rio Brazil
RIO DE JANEIRO, Feb. 18 (Xinhua) -- Rio de Janeiro city mayor Eduardo Paes says preparations for the 2016 Olympic Games are on track despite lingering concerns about a lack of new hotels. Speaking on the opening day of a four-day meeting between Braz
RIO DE JANEIRO, March 23 (Xinhua) -- Brazil soccer legend Romario declared on Friday that he has no intention of running for the president of the Brazilian Confederation of Soccer (CBF). However, the now congressman endorsed Ronaldo to command the fu
RIO DE JANEIRO, Sept. 26 (Xinhua) -- Rio de Janeiro has the highest level of air pollution in Brazil, and is more polluted than many other world metropolis like New York, London and Paris, a World Health Organization (WHO) study said Monday. Accordin
RIO DE JANEIRO, Dec. 7 (Xinhua) -- The son of former Brazil great Romario has signed his first professional contract with Brazilian third-tier side Brasiliense. Romarinho, 19, joined the Brasilia-based outfit on Thursday, less than 24 hours after qui
Chinese young paddler Xu eyes on Rio Olympics SUZHOU, East China, Aug. 24 (Xinhua) -- Just back home from London two weeks ago, one of China's most hopeful paddlers Xu Xin has set his eyes on the next Olympic Games in Rio four years later. Having sta
Here is a look at how China has performed at the most recent Olympics. China were second in the standings in London with 88 medals overall including 38 golds. That left them eight golds behind the United States, but leading hosts Great Britain by nin