什么叫“蓝牙”（二）

Air interface tailored to minimize current consumption Basic Technical Information—Based upon a small, high performance integrated radio transceiver, each of which is allocated a unique 48-bit addre

新概念英语第四册Lesson 37 The process of ageing

Lesson 37 The process of ageing 衰老过程 First listen and then answer the following question. 听录音，然后回答以下问题。 What is one of the most unpleasant discoveries we make about ourselves as we get older? At the age of twelve year

SSS 2010-09-29

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will take a minute. For those of you who love a tall tale, the list of genetic variations that determine human height has just experienced a growth spurt. The findings were publish

SSS 2009-08-28

You cant judge a book by its cover. But you can judge a dog by its coat. You can even read right through to its genes. Because a study in the August 27th online issue of Science shows that just three key genes govern the length and texture of dog fur

4-15 禽流感

The Bird Flu Recently ， the news has been filled with reports of the “bird flu.” Asia is on a region-wide health alert, with governments slaughtering millions of chickens to contain 1 outbreaks

欢迎新的猫咪进家门的重要指南

为新猫咪做准备 Take a good, hard look around your house. You might think that there is nothing dangerous for Kitty to go sticking her nose into, but you would be wrong. Everyone knows that cats are instinctually curious. Places humans overlook

SSS 2008-10-06

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

SSS 2012-03-05

This is Scientific American 60 science, I am Charles Q. Choi! Psoriasis is an autoimmune diseasethe immune system mistakenly attacks its own body, causing red, itchy, scaly patches on the skin. But there may be a hidden upside. People with psoriasis

为什么有些人看着显老? 科学家发现罪魁基因!

It's no secret that good genes can explain why some people age well. But researchers said last Thursday they have identified a specific gene variant that can make people look about two years older than their actual age. 众所周知，有些人看起来

万万没想到：让人年轻2岁的秘诀竟然是它！

Scientists say they have made a leap in knowing why some people retain their youthful looks while others age badly. 科学家称他们已经在探究为什么有的人青春长驻而另一些人逐年老去这一问题上取得突破性进展。 They

英式英语药丸 连英国人都开始使用美式拼写了

British English may have come first, but around the world, the American way of spelling is now far more popular. 英式英语出现的较早，但从全球看，现今美式英语的拼写方式却更受欢迎。 A recent examination of these two var

克里姆林宫决定斯诺登的未来

克里姆林宫决定斯诺登的未来 MOSCOW, June 30 (Xinhua) -- As Edward Snowden has been perching at an international airport of Moscow for a week, Kremlin said Sunday the former CIA contractor's future was not yet on its agenda. The President

研究：个子矮小皆因基因数量不足

A shortage of genes could be to blame for the lack of height in short people, researchers have found. Two studies involving 12,000 people has been carried out in America and found a link between the amount of missing genetic material and a decrease i

母亲超重 宝宝个头大

WASHINGTON, March 15 (Xinhua) -- Mothers who are overweight or obese during pregnancy are more likely to give birth to bigger babies, new research suggested Tuesday. The study, published in the Journal of the American Medical Association, also found

经济学人232:基因决定幸福 Happiness is in your DNA

Transporter of delight 传递快乐的使者 Happiness is in your DNA; and different races may have different propensities for it 基因决定幸福；而不同种族的幸福倾向不尽相同 Born smiling? 天生会笑？ THE idea that the human pe

经济学人265:传递热量 良好的传导

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

奥巴马提议拨款2亿多美元 研究精准施药

U.S. President Barack Obama wants to invest $215 million into a new health initiative that would help tailor medical treatment to an individual's genetic make-up. 奥巴马总统提议向美国一项新的基因研究计划投资2亿一千五百万美元

2018年CRI Scientists engineer mutant enzyme which eats plastics quickly

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

TED演讲:科学解释之新探(5)

Why a marriage contract and not any other reason for regular annual action? 为什么是一纸婚书而不是其他什么原因使普西芬妮定期往返呢？ Here is one. Persephone wasn't released. 我且来举个例子：普西芬妮并没有被放

经济学人:民用航空发动机 奋力一战

Business 商业报道 Civilian jet engines 民用航空发动机 Gearing up for a fight 奋力一战 Pratt amp; Whitney hopes a high-tech engine will restore its former dominance. 普拉特惠特尼公司期待其新款的高科技航空发动机能重