Science & Technology
Playing Computer Games Together Makes Brains Feel and Think Alike
2014-01-08
"It's well known that people who communicate face-to-face will start to imitate each other. People adopt each other's poses and gestures, much like infectious ...
难度: 六级    词数: 358
A History of DNA Testing
2014-01-02
It happened one morning 20 years ago. A British scientist Alec Jeffrey came across DNA fingerprinting: He identified the patterns of genetic material that are unique ...
难度: 高二    词数: 343
Best time to drink a cup of coffee
2013-12-18
The best time to drink a cup of coffee to get your daily hit of caffeine is between 9.30am and 11.30am, according to neuroscientists It may seem that a cup of strong ...
难度: 四级    词数: 612
Climate Change May Disrupt Butterfly Flight Seasons
2013-12-18
The flight season timing of a wide variety of butterflies is responsive to temperature and could be altered by climate change, according to a UBC study that ...
难度: 六级    词数: 335
Lightning
2013-12-18
In earliest times, men considered lightning to be one of the great mysteries of nature. Some ancient peoples believed that lightning and thunder were the weapons of ...
难度: 高一    词数: 249
The next big thing in detecting cancer just might be bees
2013-12-18
A glass container filled with honeybees sounds like a strange tool for detecting cancer, but because of the bees' extraordinarily sensitive sense of smell, it could ...
难度: 四级    词数: 154
rainforest
2013-12-18
A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6℃. ...
难度: 高考    词数: 243