人体通过晒太阳来合成维生素D，可是皮肤科医生理查德·威勒指出，阳光还可以带来另一个惊人的益处。他的团队通过新研究表明：一氧化氮这种大量储存在皮肤中的化学传递质，能通过紫外线照射而释放出来，对血压和心血管系统产生很大益处。这是什么意思呢？那好，就从解释为什么苏格兰人比澳大利亚人更容易生病开始吧……演讲视频（无字幕）：Richard W
This week, I traveled to Afghanistan—to thank our troops serving far from home, and to sign an historic agreement that will help us complete our mission and end the war. As Commander-in-Chief, nothing
3. New Zealand Prime Minister Helen Clark, APEC CEO Summit in the Speech 3. 新西兰总理海伦·克拉克在APECCEO峰会上的演讲 Now, at the beginning of the 21st century, New Zealand is taking a new approach to economic
Now, this quickly, my day job sent me to work out of our Milan office for a few months, 很快，因为日常工作的缘故，我会有几个月不在米兰， so I was like, what will I do? 有时候会迷惘，我要去做些啥啊？ So I actually scheduled sleep on my cale
