SSS 2008-01-22

This is Scientific Americans' 60-Second Science.I'm Karen Hopkin .This will just take a minute. When you hear things like, human DNA differs from chimp DNA by only a couple percent. You cant help but wonder. How can that be? How can so few changes ma

SSS 2008-03-24

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. On March 18th, we told you that smoking doesnt make people happy. Well, we hear you ask, what will make me happy? What? What? Ok. First relax, then take ou

SSS 2008-09-22

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Fingers are pretty nifty. They let you to grab a latte, type on a keyboard, even pull up your pants. But did you ever wonder: where do fingers come from?

SSS 2011-07-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Nothing says summer like ants. Theyre at your picnics, on your porch, why theres one crawling up your leg right now. Well, now its your chance to turn the

VOA标准英语2012--US Firms Prospering in Asia, Russia

US Firms Prospering in Asia, Russia U.S. Secretary of State Hillary Clinton predicted Russia's entry last month into the World Trade Organization will be a boost for American companies. It pays to join the rules-based trading system, she told APEC de

SSS 2008-10-01

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. So Im having dinner with my two-year-old son. When he clears his plate, he says to me, Get in the kitchen. I want more. Get in the kitchen, I want more?

SSS 2008-11-10

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

SSS 2008-05-14

This is Scientific American's 60 Second Science, I'm Karen Hopkin, this'll just take a minute. With gas prices at an all-time high, and expected to climb higher, seems people are keenly aware of what it costs to drive from here to there. But a study

SSS 2008-05-01

This is Scientific American's 60-Second Science,I am Karen Hopkin.This'll just take a minute. Some people lie through their teeth, some lie about their teeth. Our early human cousins seem to have lied with their teeth. Or they at least misled scienti

SSS 2008-07-18

This is Scientific American's 60-Second Science, I am Karen Hopkin.This'll just take a minute. Counting is one of the first things we teach our kids. I mean, every parents probably said, You had better be in that bed by the time I count to three. Fol

SSS 2008-07-02

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

SSS 2009-06-10

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. For folks whove engaged in the strange ritual of speed dating, finding that special someone is like winning a romantic game of musical chairs. Now scient

SSS 2009-01-19

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. A new study with worms shows that some have a gene that helps them stave off infections. Not through some kind of biochemistrybut by changing their behav

SSS 2009-01-13

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. A bird in flight is a thing of beauty. Even their takeoffs and landings usually look effortless. But pterodactyls? Well, thats another story. Scientists

SSS 2010-12-10

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. 'Tis the season when many of us go on a seafood diet: we see food and we eat it. But if you want to avoid packing on the pounds, a new study suggests tha

SSS 2010-10-13

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Blackjack, slot machines, good ol Texas holdem. People love to gamble. And were not the only ones. A new study shows that pigeons will also pass up a sure

SSS 2010-06-04

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. July is coming. Its a time to fire up the barbecue, hit the beaches and watch the fireworks. Its definitely not a time to be in the hospital. Because fa

SSS 2010-05-07

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. Its not easy being me; when I was born the doctor told my mother, I did all I could, but he pulled through anyway. Rodney might felt badbut listening to hi

SSS 2010-06-01

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Mmm, sticky rice. Its a glutinous side dish thats perfect for practicing your chopstick skills, for sopping up curry sauce and, amazingly, for building real

SSS 2011-12-07

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. It's hard to feel a sense of urgency about climate changeit feels so slow. Well, try telling that to the critters dealing with it. Because new data sugge