美國政治:參議院預(yù)算投票
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科學(xué)60秒:身體溫暖保健康
As a bitter winter storm rages on the east coast, it’s hard to knock being warm-blooded. But what about the metabolic cost of maintaining a high body temperature? Well, a new study finds that we...
The History of Chemistry
音樂的語言The Language of Music A painter hangs his or her finished pictures on a wall, and everyone can see it. A composer writes a work, but no one can hear it until it is performed. Professi...
廚房飄著的云朵
短文Fill a kettle with water, then turn on the burner. In a while, your kettle will start belching white billowy stuff into the air. What is this stuff? Steam? Actually, no. Steam is water ...
晨讀美文002
晨讀的美文A person, like a commodity, needs packaging. But going too far is absolutely undesirable. A little exaggeration, however, does no harm when it shows the person's unique qualities to the...