收养孤儿
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科学60秒:老人家---慢得有道理!
:Hints:meander-nessOlder folks may appear to react or process info slowly. But there may be a method to their meander-ness: they're making sure they get it right. Scientists gave undergrads and...
科学美国人 20110417
科学美国人 20110417"Uh we'll be um right back um after, um this message." Now does that sound like a pro speaker? It's better to remove ums and uhs right?—"We'll be right back after this mess
为什么会有男人和女人?
这是关于人类性别的文章。Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On todays’s Moment of Science we'll learn why two is the magic number. L...
“痒”基因(1)
科学家发现“痒”基因,有可能帮助发现新疗法Itchy skin is a common problem. Severe itching can interfere with sleep or lead to painful damage from scratching. Now, scientists may have a way to deve...