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时差N小时

  • 时差N小时 你必须得有的心脏

    When it comes to weird sea-creatures, octopuses arehard to beat. 说到怪异的海洋生物,那就的非章鱼莫属了。 There's the well-known ink-squirting defensesystem, the bird-like beak, and the eight tentacles with theirdouble rows of suc...

  • 时差N小时 海盐的形成

    Dear A Moment of Science,I know why the ocean is still salty: evaporated water leaves thesalt behind. 亲爱的《科学一刻》我知道为什么海洋依旧是咸的了:水分蒸发掉,留下了盐。 But how did it get salty in the first plac...

  • 时差N小时 致命的氯

    If you've ever seen movies about World War I, you know thatthe soldiers in the trenches often wore bulbous gas masks that made them look like human insects. 如果你看过关于一战的电影的话,你肯定知道冲在一线的士兵们通常会配...

  • 时差N小时 我们为什么要刷牙?

    Humans may be no less a part of the animal kingdom than lions,tigers and bears, but certain things set us apart. 或许人类的动物属性一点也不比狮子、老虎和熊少,但某些特征却将我们与它们区别开来。 For instance,alt...

  • 时差N小时 麻醉功效

    If you've ever had major surgery, you probably remember lying down and waking up-but nothing in between. 如果你曾经动过手术,你可能会记得躺下和醒来这两个动作,但是对中间发生的事情一无所知。 Thanks to the anes...

  • 时差N小时 婚姻与心脏健康的关系

    One study zeroes in more closely, showing that marriage not only benefits well-being in a general way but also lowers your risk for developing heart problems. 一项更精细的研究指出,结婚不仅仅能够带来一般意义上的幸福快乐,...

  • 时差N小时 我们生活中藏匿的毒品

    Just as the police bang down the door, the bad guys flush theincriminating drugs down the toilet.Surely, a scenario we've allseen on TV and in the movies. 我们在电视上或电影里总会看到这样的场景,警察破门而入时,坏人正将罪...

  • 时差N小时 对抗癌症

    If you or someone you know has had cancer, then you know how frightening and painful treatment can be. 如果你或你认识的人得了癌症,你就会知道治疗的过程是何其的可怕和痛苦。 But during the past few decades doctors have...

  • 时差N小时 种群动态进化

    Until recently, many ecologists didn't study the effect of evolution on population dynamics because evolution is much slower than the predator-prey cycle. 直到最近,许多生态学家都没有研究种群动态进化所带来的影响,因为进化...

  • 时差N小时 海洋死区

    Well, as if we needed one more reason to get our environmental act together, arecent U.N. report warns that the number and size of dead zones in the ocean isincreasing. 如果我们需要一个理由一起进行环保行动,那么这个理由就是联...

  • 时差N小时 拄着拐杖飞

    Did you ever have a broken leg? 你曾经有过一条腿骨折吗? Or did you ever see someone else in a cast? 或是你曾经看到过别人腿上裹着石膏吗? If so, you may have noticed something odd whenthe crutchescome out. 如果有的话,...

  • 时差N小时 沉迷巧克力

    As Robert Palmer sang in the mid 80s,You might as well faceit, you're addicted to love. 80年代中期的罗伯特帕尔默曾经唱道:承认吧,你已坠入爱河。 While that may or may not be truedepending on who you are, it's no secret that...

  • 时差N小时 天冷锻炼问题

    WooIt's freezing out. 哇,外面太冷了。 Come on, It's not that cold. 不会吧,没那么夸张。 Sure it is. Yael.I guess there's just no way I can go jogging today. 确实很冷啊。我想今天也没办法跑步了。 Oh, so that's what...

  • 时差N小时 迅捷的外星人

    We received a letter from one of our readers with a question about Einstein's Theory of Relativity: 曾经有位读者来信询问了这样一个关于爱因斯坦相对论的问题: Since time slows down the closer you get to the speed of light, i...

  • 时差N小时 视差问题

    Parallax is phenomenon by which we can judge the distance to things just by looking at them. 视差是我们目测事物的距离时所产生的现象。 Astronomers use parallax to calculate the distance to stars. 天文学家利用视差来计算我们...

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