It took four months to do the science, two years to get it published. 这个科学实验只做了四个月，但要让它发表却花了两年。 Typical science, actually, right? So this makes Amy and her friends the youngest published scientists in

Forced labor does occur in many industries, 强制劳动在很多国家都屡见不鲜， especially those where the workers are migrants or otherwise vulnerable, and this needs to be addressed. 尤其发生在移民劳工和其他弱势群体中，这是一个需要解决的问题。 But

Kelly McGonigal: How to make stress your friend 如何让压力成为朋友I have a confession to make, but first, I want you to make a little confession to me. In the past year, I want you to just raise your hand我要坦白一

Ending this war is not only in Iraq’s interest -- it’s in our own. The United States has paid a huge price to put the future of Iraq in the hands of its people. We have sent our young men

We are living through a time of global economic challenges that cannot be met by half measures or the isolated efforts of any nation. Now, the leaders of the Group of 20 have a responsibility to take