Now, this device is only limited in such that it can measure the skull motion, 当下，这个设备仅能测量出颅骨的运动， but what we really want to know is what's happening inside of the brain. 但我们真正想知道的是脑部内部的情形。 So we coll

Prepared Remarks of President Barack Obama Weekly Address Saturday, May 23, 2009 This Memorial Day weekend, Americans will gather on lawns and porches, fire up the grill, and enjoy the company of fami

Thank you very much. That's so nice. A lot of spirit. Great spirit for this country. Thank you, all. We have tremendous spirit and I want to thank you. We had a wonderful election, didn't we? And I sa

TED Technology, Entertainment, Design在英语中的缩写，美国的一家私有非营利机构，以它组织的TED大会著称；将"用思想的力量来改变世界"作为宗旨。事实上，除了科技、娱乐、设计的主题，这场盛会涉及的领域还在不断扩展，展现着涉及几乎各个领域的各种见解，TED的演讲简短且深刻，参加者们称它为 “超级大脑SPA”。 How often do we hear that pe

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