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He goes there and does it. 它走去并按这个笼子。 And the same time, he is sending a mental message to the second rat that didn't see any light, 与此同时，他发送了一条神经信息给第二只看不见灯的老鼠， and the second
TED演讲科技篇
This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should
Scientific American(五)月
Hypertension, or high blood pressure, affects one third of US adults and is a leading cause of heart disease and stroke. 三分之一美国成人受高血压困扰，它是心脏病，中风的主要诱因。 A recent study found an increase in self-
医学英语轻松学
What do they mean when they say that it's a choice? 当这些人说同性恋是个选择的时候，他们想表达什么？ This is one of those places where the orientation-activity distinction actually comes in handy. 在这种情况下，性取向和
欧美名人演讲
By David McAlary Washington 13 July 2006 We often hear that imagining something will not make it so. But scientists have now overturned that adage, making a science-fiction dream come true. U.S. researchers have shown that a paralyzed patient can us
2006年VOA标准英语（七月）