It's the red circle, that's terrifying. No, really. Black holes really are the central mystery of our age, 这个红色的圈太吓人了。你在开玩笑。黑洞可谓是我们这个时代的中心之谜， because that's where the quantum world and the
Obama's Weekly Address WEEKLY ADDRESS: The President Wishes America's Dads a Happy Father's Day 奥巴马每周电视讲话:总统在父亲节发表祝福祝愿父亲们节日快乐 Hi, everybody. Sunday is Father's Day. 大家好，星期天就是父亲节了。 If you haven't got D
THE PRESIDENT: Thank you. Please, everybody have a seat. Good afternoon. Before we begin, I'd actually like to say a few words about something that is of interest to the broader public. Obviously how
WEEKLY ADDRESS: Losing Insurance Can Happen to Anybody The President discusses a staggering new report from the Treasury Department indicating that under the status quo, around half of all Americans u
