by Xiumei Dong and Yunfei Zhao | Aug 16, 2016 | Business & Tech
WEST MIFFLIN, PA. — Along the Monongahela, stretching from West Virginia to downtown Pittsburgh, a few steel plants still shadow the river banks, supporting thousands of families with good- paying jobs. For these stalwarts of the middle class, steel is more than...
by Xiumei Dong and Yunfei Zhao | Apr 27, 2016 | Science + Technology
WASHINGTON — Kicking a red ball fiercely across the laboratory floor like a professional soccer player, Darwin-OP2, a human-like robot, says in a monotone voice that he is excited to “be friends and play soccer.” Darwin-OP2 isn’t a toy, but one of the most advanced...
by Xiumei Dong and Yunfei Zhao | Apr 4, 2016 | Living
WASHINGTON — It’s International Pillow Fight Day! Can a pillow fight help reduce stress? We went to a huge pillow fight on the National Mall to find out. Published in conjunction with