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科学60秒:区分病毒性和细菌性感染的实验

Antibiotics don’t work against viruses. But doctors sometimes give antibiotics to patients who have what turns out to be a viral infection. Which adds to the growing problem of antibiotic resist...

科学60秒: 赌博是祖上传下来的

Many of us ___1___ to devote to trying out the latest Wii game or even watching others play poker on TV. But this focus on play is nothing new, says a researcher at Sweden’s University of Gothen...

朝鲜核武会谈有望重开(1)

美国务卿助理希尔称美朝核武会谈有望重开Christopher Hill, the U.S. assistant secretary of state, says a banking transfer that has held up North Korean nuclear diplomacy for months is likely to be r...