Hi everybody. This weekend, we'll dedicate the newest American icon on our National Mall - the National Museum of African American History and Culture. It's a beautiful building, five stories
President Obama speaks to the media after a Cabinet Meeting about the economy, national security and Iraq. The President also responds to a question about his upcoming meeting with General Stanley McC
This was the closest I've been to facing death, and I hope its the closest I get for a few more decades. Having lived through it, I can now say this to you with a bit more certainty than when deat
I'm fascinated with the idea of what happens when you merge biology with technology, 我非常着迷于这点子，要是把科技和生物学融合在一起会发生什么， and I remember reading about this idea of being able to reprogram biology, in the fu
