科學(xué)60秒:醫(yī)生昏昏欲睡 手術(shù)患者擔(dān)責(zé)

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...

政治：泰國(guó)內(nèi)亂

政治：泰國(guó)內(nèi)亂Heading overseas to Thailand where grenade attacks in the capital city of Bangkok have killed at least three people. A Thai official said the grenades came from an area where people

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Ynte Schukken Cornell University Ithaca Cows, sheep, goats and other animals can get mastitis, an inflammation in the udder, the organ where milk is produced. Milk from an untreated cow is still...

農(nóng)場(chǎng)看護(hù)好手——小驢(1)

Hints: burro；equine family；Robin Rivello；the American Mustang and Burro AssociationA burro is a small donkey. Donkeys are related to horses; both are part of the equine family. Another way peo...