美国科学60秒 SSS 2012-12-25

The sign to America apart guess is response by audible.com. A little more online resource for access out your books and more, and now audible.com is for sign American listeners free out of your notebook for your choice. For details, go to audible.com

美国科学60秒 SSS 2013-01-08

This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est

美国科学60秒 SSS 2013-01-10

This is Scientific Americans 60 second Science, I am Gretchen Kuda Kroen, this will just take a minute. When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as

美国科学60秒 SSS 2013-01-14

When normal population of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as Clostridium Difficile, C Dif. The mean symptom is nearly constant and debilitating diarrhea. One of the

美国科学60秒 SSS 2013-01-16

Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. Now, archaeologists have turned up some of those ancient medicines which were preserved in a shipwreck for close to two millennia. The 2nd centry Pozzino wr

美国科学60秒 SSS 2013-01-04

This is Scientific Americans 60 second Science, I am Sophie Bushwick, got a minute? Comparisons of different animals have shown that larger brains provide greater intelligence, but they also guzzle more energy and have other consequences. Now scienti

美国科学60秒 SSS 2013-02-22

Astronaut M B spent 199 days on the international space station in 2009.On Feb. 17th 2013, he told kids about his time in space as part of Family Science Day Effort on the Annual Meeting of American Association for the Advance of Science in Boston.Qu

美国科学60秒 SSS 2013-02-21

Naked skin or effectively naded skin has been the primary interface between the human body and the environment for over 200,000 years. Penn State anthropologist Nina Jablonski on the evolution of human skin pigmentation at the annual meeting of the A

美国科学60秒 SSS 2013-03-26

Teachers might want to think twice about posting 'no gum chewing' signs in the classroom. It turns out that the sticky substance might help students concentrate. Researchers had two groups of 20 people each listen to a 30-minute recording that includ

美国科学60秒 SSS 2013-03-25

This is Science American-60 minute Science, I'm Sofie Bushway. Got a minute? Roosters greet the rising sun with Ohh, but they also crowed at other times, so are they responding to the light or do they simply know that it's morning. New research sets

美国科学60秒 SSS 2013-02-26

About 5,000 years ago in Peru, culture kicked into high gear. During whats called the late Archaic period, South Americans formed permanent communities with complex architecture, religion and agriculture. And now scientists have shown that maize play

美国科学60秒 SSS 2013-01-21

Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. And now archaeologists have turned up some of those ancient medicines, which were preserved in a shipwreck for close to two millennia. The 2nd-century Pozzi

美国科学60秒 SSS 2013-01-22

Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. And now archaeologists have turned up some of those ancient medicines, which were preserved in a shipwreck for close to two millennia The 2nd-century Pozzin

美国科学60秒 SSS 2013-01-29

This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?The last time you splurged on a live lobster for dinner ,you might not have given any thought to how much the little guy was going to suffer as he boiled to death.Unti

美国科学60秒 SSS 2013-07-29

The lunar cycle affects the night sky, the tides, and even the fertility of certain marine species. And it turns out, we can add your shuteye to the list. According to a new study, humans sleep poorly on nights near full moon. The work is published i

美国科学60秒 SSS 2013-07-17

A book a day may keep dementia away, even if you read it as a kid. Because the study finds the exercise in the brain in any age may preserve memory. The work appears online Journal Rolonogy. Previous studies have shown that engaging in brain building

美国科学60秒 SSS 2013-08-22

The lone wolfs howl has long been chosen as a symbol of melancholy and loss. Now researchers have demonstrated that the choice was accurate. Howling is not related to the stress level of the crying canine or the dominance status of the departing wolf

美国科学60秒 SSS 2013-04-30

what makes someone`s sound sexy? to get the scientific viewpoint, researchers gaged volunteers responses to different voices.the conclusion: voices considered to be attractive said messages about body size, the workers journal plus one.in the animal

美国科学60秒 SSS 2015-06-04

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得 10 到 30 积分的奖励 ! Thank you ！

美国科学60秒-SSS 2015-06-08

One an old route humans took when they first migrated from Africa into Europe seems that they might have marched the path. Not like constant grettle who consciously left bright chromes, ancient humans ate as they tracked and they are appeared to have