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(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate
托福听力短文
This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d
Scientific American(六)月
Grumpy humans of the world, listen here. According to a new University of Otago study published in the Journal of Positive Psychology, the path to that happy state of mind youve heard so much about requires you get creative ― quite literally, and j
轻松英语
The cases of the five suspected al-Qaida militants believed to have planned the September 11, 2001, terror attacks on the United States have been formally referred to a military tribunal. The self-proclaimed mastermind of the 9/11 attacks, Khalid She
英语新闻
英国人讨厌的美式英语（1） 英式英语和美式英语本就是萝卜白菜各有所爱，英式英语注重语法严谨，而美国人就很随意，还会不断创造出流行词。这正是两国文化的不同，英国人喜欢遵守传统
英语口语
Now the Gamemakers will always be able to trace my whereabouts in the arena. Wouldnt want to lose a tribute. As soon as the trackers in place, the ladder releases me. The woman disappears and Cinna is retrieved from the roof, An Avox boy comes in and
饥饿游戏（英文版）