SSS 2009-04-22

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

SSS 2009-06-26

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Last month, President Obama pledged nearly half a billion dollars toward the development of solar and geothermal energies, but what about wind? A team of s

SSS 2008-09-18

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Breaking a mirror means seven years bad luck. So does spilling salt or meeting a black cat. Weve all heard such silly-sounding superstitions. Of course w

英文短篇故事（纽约）52 You Call That a Tip?

Karen and Barney walked into the pastry store. They looked at the delicious pastries. They picked two that they liked. Would you like something to drink? asked the clerk. Give us two large coffees, said Barney. He paid $9 for the cakes and drinks. He

备战英语六级听力练习题第2期

6. A) It is based on a lot of research. B) It can be finished in a few weeks' time. C) It has drawn criticism from lots of people. D) It falls short of her supervisor's expectations. 7. A) Karen is very forgetful. B) He knows Karen better now. C) Kar

BEP 170 – Meeting with a Vendor (Part 1)

This is the first of a three-part Business English Pod lesson about meeting with a vendor, or potential supplier. When you meet with a vendor to discuss a proposal, its partly about getting information and partly about negotiating better terms. You m

SSS 2008-09-15

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you spent any time in your car this summer you probably sat in some traffic. Maybe youre in a jam right now. If so, a study in an upcoming issue of Ph

SSS 2008-12-10

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its a familiar story. When immigrants arrive in a new place, they tend to stick together, forming segregated enclaves that feel like a home away from hom

SSS 2008-12-08

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals that live in cold climates tend to have stubby limbsshorter arms and legseven smaller ears and tails. Picture a penguin and youll see what I mean

SSS 2008-03-04

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. For worse or for better, humans are changing the course of evolution. On February 26, we talked about how fishing practices may be driving the evolution of

SSS 2009-05-05

This is Scientific Americans 60-second Science. I am Karen Hopkin. This will just take a minute. Some names never seem to go out of style, like David or Emily. Some never really catch on. Not many girls are named Laurel, even fewer are named Lauryl S

SSS 2009-03-19

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Imagine antibiotics that would never lose their punch. New research focuses on drugs that bacteria simply cant resist. Most antibiotics work by killing p

SSS 2009-05-12

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Exercise is good for you. Antioxidants are good for you, but put them together, and its not as good as you think because a recent study shows that some v

SSS 2010-11-12

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you've ever had to pick up and carry a tired child through the mall, you know that walking sometimes tuckers out the toddlers. Now scientists think th

SSS 2010-11-03

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Maybe your dad said, The harder you work for something, the more youll appreciate it. Well, father really did know best, because a new study finds that the

SSS 2009-01-09

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Have you ever turned off your lights and heard [mosquito buzz]? To you its a sound that signals bites in the night. But to a male mosquito its a love son

SSS 2010-06-08

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. Its refreshing. Its invigorating. And it leaves you feeling truly alive. No, Im not talking about a cold shower or a fruit smoothie with a mochachino ch

SSS 2010-06-03

This is Scientific America's 60-Second Science, I am Karen Hopkin. This will just take a minute. Most of us dont think twice about getting behind the wheel even for short hops to pick up some milk. And thats not just because cars are convenient, or b

SSS 2011-06-17

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. How many times has it happened to you: you're sitting around watching a rerun of Friends and you think: Man, if only I could catch a whiff of that hazeln

SSS 2011-09-08

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths