著名教练John Wooden如何定义成功
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科学60秒: “身负重任”的中世纪盔甲
Medieval armor certainly looks heavy. And now researchers have demonstrated how the protection might have put its wearers at a heavy disadvantage on the battlefield. An armored combatant in the...
美文背诵——睡眠的进化
Evolution of SleepSleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptil...
背诵美文——动物的罗盘
Animals’ CompassesResearchers have found that migrating animals use a variety of inner compasses to help them navigate. Some steer by the position of the Sun. Others navigate by the stars. Some ...
亚洲专利注册热(1)
最近的一份报道显示东亚地区,专利申请注册数量增加迅速The report shows worldwide filings of patent applications grew at an average annual rate of 4.7 percent in 2005, with the highest growth rates ...