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However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

SSS 2011-10-26

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

SSS 2010-05-20

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

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Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

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At a Repairing Shop Dialogue 1 -Can I help you? -I'm coing to have the gas meter repaired. -What's wrong? -It doesn't work,and can't accurately show the level of the gas in the rank.Fortunately I found the problem.Otherwise,I'll be late for the meet

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SSS 2008-11-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

日本公司推出世界第一台可洗手机

It may look all shiny and new, but your smartphone is probably one of the filthiest things you own. The amount of bacteria and germs it carries is disgustingly huge, which is probably why a Japanese company is targeting germaphobes with the worlds fi

一生之中你不可不知道的趣味常识

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科学新发现：我们的1秒钟将变长了！

We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks. 我们都知道时间是个复杂的概念。目前，世界上有一个由大约500台原子钟组成的网络，

十条你不知道的趣味生活常识

1. You spend about 23 years sleeping in a 70 year life。 在70年的生命中，你大约要花23年的时间睡觉。 2. Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝色的鸟类。 3. Your stomach has to pr

VOA标准英语2010年-Catherine Russell Releases Blues Influ

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

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Many of us have reached in our pockets, feeling a vibration, wrongly believing our mobile phones have just rung. 许多人都曾有过这样的错觉：觉得手机在振动，于是去口袋拿手机，结果手机根本没响。 The phenomenon even

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Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾，其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.

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Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

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You spend about 23 years sleeping in a 70 year life。 在70年的生命中，你大约要花23年的时间睡觉。 Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝色的鸟类。 Your stomach has to produce a n

星火英语四级2000核心词 10

[00:12.00]Day 10 [00:14.00]exact [00:15.00]To be exact, she is a very exact person. [00:20.00]explore [00:22.00]As soon as they arrived in the town [00:23.50]they went out to explore. [00:27.00]exposure [00:28.00]Exposure of children to TV violence [