医生帮倒忙?(1)

科学60秒:邮件传播谣言，威力无穷

During the 2008 presidential election, the Internet became a giant rumor mill. For example, there were the ___1___ claiming that Barack Obama’s birth certificate was a fake. Or ones spreading th

科学60秒:医生昏昏欲睡 手术患者担责

Over the years ____1____ limit the hours of hospital interns and residents. Because someone putting in a 100-hour workweek might not be at their best when deciding which medication to prescribe o...

太阳能热水器 (1)

AfghanistanSolar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. The solar water heater described here is based on a design de...

医生帮倒忙?(2)

有时候医生会不会帮倒忙？反倒使病情严重了呢？So far, researchers have mostly investigated the stents themselves and how they are made. But now attention is turning also to the way they are being u...