LIKE most babies, Moo Deng spends a lot of her time sleeping. But for a few hours a day, the almost five-month-old pygmy hippo springs to life, gumming on leaves, zooming around the compound ...

Yawen Chang received the B.S. degree in electronic information engineering (intensive English) from the Dalian University of Technology, Dalian, China, in 2019. She is currently working toward the ...