The brain is an amazing and complex organ. And while many people are fascinated by the brain, they can't really tell you that much about the properties about how the brain works because we don't tea
President Obama calls on Congress to take an up-or-down vote on extending unemployment benefits and to stop political maneuvering that Americans in need of assistance in limbo. 【Transcript】 THE PRESID
演讲与历史：罗斯福总统第三任就职演讲 Third Inaugural Address By Franklin D. Roosevelt Mr. Chief Justice, my friends: On each national day of inauguration since 1789, the people have renewed their sense of dedication to
