标签：听力文摘 相关文章
Old Fashioned Ice Cream Makers Have you ever seen an old-fashioned ice cream maker? Nestled inside the wooden bucket, theres a metal canister with a hand crank on top. Cranking the handle scrapes the sweet, creamy mixture from the sides of the metal
英语听力文摘 English Digest
The Future Of Males Have you ever heard predictions that one day women will be able to have babies without men? It turns out that some species of the Whiptail lizard have figured out how to do this and completely eliminated the male sex. Females Clon
英语听力文摘 English Digest
Stopping Smoking Can Lead To Weight Gain One of the really interesting things about the nicotine in cigarettes is that it works in two ways. All About Nicotine When you take a long drag, it acts as a tranquilizer, but when you inhale in short puffs,
英语听力文摘 English Digest
Why Be A Sports Fan? Ever notice how sports fans insist on talking as if theyre one of the players when all you do is watch the games on TV? It could be that cheering a particular team gives them an identity and sense of belonging. They are defining
英语听力文摘 English Digest
A Rose By Any Other Name Just saying the word rose conjures up images of romance, secret admirers, Valentines gifts, and bridal bouquets. Romantics imagine soft, red petals and long, graceful stems, but practical gardeners know all about painful, poi
英语听力文摘 English Digest
What Causes Altitude Sickness? Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty
英语听力文摘 English Digest
Why Are Some People Double-Jointed? Can you bend your thumb backwards until it touches your wrist? If you join your hands behind your back, can you lift them over your head without letting go? If you can, you might be what some people call double-joi
英语听力文摘 English Digest
Jerry was the kind of guy who was always in a good mood and always had something positive to say. One day I went up to Jerry and asked him, I dont get it! You cant be a positive person all of the time. How do you do it? Jerry replied, Each morning I
英文励志文摘精选
Why Does Crying Make Your Nose Run? When you burst out crying, you expect the bleary red eyes and the rivers of tears that stream down your cheeks. But on top of all that, your nose starts to run like a faucet. Why does this happen? Whats the connect
英语听力文摘 English Digest
The Science Of Acne Acne: the scourge of adolescence. Most people endure it at some point, and cant wait to be rid of the combination of whiteheads, blackheads, pimples, and pustules that comprise the skin condition that affects over 80% of teenagers
英语听力文摘 English Digest
The Science Of The Siesta When you go back to work or class after lunch, why is it so hard to stay awake? Although we get energy from food, we also use lots of energy to digest it. Your energy use increases 25-50% as you digest a meal. With all that
英语听力文摘 English Digest
What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so soft th
英语听力文摘 English Digest
Do We Only Use 10% Of Our Brains? Have you ever heard that we humans use only ten percent of our brains? This oft-quoted myth holds a certain appeal because if it were true, then we could instantly become ten times more intelligent just by firing up
英语听力文摘 English Digest
Cilantro: Love It Or Hate It? On todays Moment of Science, well be sniffing our way through a controversial culinary conundrum: the great cilantro debate. According to scientists working at the Monell Chemical Senses Center, the smell of cilantro usu
英语听力文摘 English Digest
Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i
英语听力文摘 English Digest
Once upon a time a very strong woodcutter asked for a job in a timber merchant, and he got it. The pay was really good and so were the work conditions. For that reason, the woodcutter was determined to do his best. 从前，有一个健壮的伐木工人
英文励志文摘精选
I teach economics at UNLV three times per week. Last Monday, at the beginning of class, I cheerfully asked my students how their weekend had been. One young man said that his weekend had not been so good. He had his wisdom teeth removed. The young ma
英文励志文摘精选
Ow! Why Hot Feels Cold Kids dont try this at home! Have you ever dipped your toe into a very hot bath and felt a flash of icy cold just before you realize that its really burning? After you pull your toe out, you might wonder what causes very hot wat
英语听力文摘 English Digest
Does Facebook Lead To Loneliness? Dear A Moment of Science, Im not a big Facebook user, but I have friends who are. And Ive noticed that some of them are constantly updating their status. Where some people might post a message once a day, others seem
英语听力文摘 English Digest
Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche
英语听力文摘 English Digest