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
Ladies and Gentlemen, this is Joe Biden and I'm here filling in for President Obama, who is traveling abroad. And I'm here with a simple message: middle-class economics works. Our economy has gone fro
I'm even prouder to share a fundamental truth that you might not have learned, even as graduate of Harvard, unless you studied the ancient Greek role with professor Nagy. 同时 我要更自豪地分享一件事尽管你们是哈佛毕业生
