UFO Attack 飞碟来袭 June.Nineteen sixty-nine, not one airliner but two, plus the pilot of an Air National Guard fighter plane, report being harass ed by a team of UFOs. One man estimates the glowing ships have come within a few hundred feet. The...
The Anatomy of Fear One nice day youre walking along a wooded path. You come around a corner and there, coiled in the path, is a huge rattlesnake , its rattles abuzz. You are deathly afraid of snakes. Various parts of the brain signal the nervous sys...
The Lowest Note in the Universe 宇宙中的最低音 It's coming from a black hole in the Perseus Cluster, about two hundred fifty million light years away. A black hole？And outer space？That makes sound? Whats happening out there is that interga...
重点词汇(填空) mystery novel,float,corpse, initially,putrefaction,digestive tips: 怎样阅读才是有质量的阅读了？ 边看边填空吧，重点词汇可是小编为大家认真筛选的,阅读完后，点击【查看答案】和 【查看...
Anaconda 水蟒 Before Jennifer Lopez became J. Lo, she was an up and coming actress. Perhaps her worst movie was Anaconda , about a giant snake that terrorizes a documentary film crew in the Amazon rain forest. Hollywoods version of the snake was pu...
Love Really Does Hurt 爱很伤？ In a recent study, scientists observed that when the participants felt reject ed , the flow of blood increased to the area of their brain known as the anterior cingulated cortex . This same area has been associated...
Hawaiis Next Island Look at a map of Hawaii and youll see volcanic islands strung out like pearls on a necklace. The biggestand the youngestis Hawaii, in the south-east corner. As the islands stretch away to the north-west they become older and more...
Sleep On, Sneeze Not 睡觉的时候不会打喷嚏 The signs are unmistakabl e : the eyes water, the chest heave s , the nose twitch es , the body tenses, suspense builds until finally a sneeze blasts forth, concluding the drama. It's a momentarily...
The Smell of Dirt A lot of people love that fresh-dirt smell. The surprising thing, though, is that it isnt coming from the dirt itself. Microbiologist s have traced the pleasant odor to an organic chemical called geosmin. No way! But how does geosmi...
Maggot evolution 蝇蛆的进化 You may already know how the evolution of a new species happens. Two or more populations of one species have to be separated from each other, such as is the case with Darwins finches in the Galapagos. Various populati...
Amnesia 健忘症 When we remember something, the neuron s in our brains communicate with each other in a particular way. The chemical and sometimes even structural changes that occur create a pathway called a memory trace. Signals traveling along th...
作为社会当中的弱势群体,老年人更需要得到来自他人的不管是身体上还是精神上的帮助.可出人意料的是,那些给予帮助的人在整个提供帮助的过程中能获得意外的收获.今天我们来看看来自密歇...
Mona Lisa's Mysterious SmileNow You See It, Now You Don't 蒙娜丽莎的神秘微笑你既看见了，又没看见 Any list of the world's top ten most famous paintings will surely include da Vinci's Mona Lisa. Part of the painting's appeal is its m...
Do Old Folks Still Appreciate Humor? 老人们仍能欣赏幽默吗？ Maybe when people get older, sense of a humor is the first thing to go. Actually, research suggests that old folks, if theyre healthy, can still appreciate humor as much as a youn...
动物也爱散步？ When youve been to the zoo have you noticed how some of the animals pace around a lot? Scientists think the problem might be that the animals miss the freedom to roam . That make sense. After all, a polar bears natural range is...
