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...
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...
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...
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，...
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...
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...
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...
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...
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，...
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...
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...
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...
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...
What about some of this tofu salad? 来点豆腐沙拉怎么样呢？ Why are you pushing soy food on me? 你为什么要让我吃大豆食品呢？ Because it turns out thatthere is yet another benefit to consuming soy, and this benefit is for men s...
Open the window and let some fresh air down.Ok! 打开窗户让新鲜空气进来。好的。 Take a deep breath of oxygen. 啊！深吸一口氧气。 It might not always been there,you know. 你知道的，它不是一直都有的。 What do you me...
