VOA慢速英语2011--Looking Inside the Brains of 'Lucid Dreamers'

SCIENCE IN THE NEWS - Looking Inside the Brains of 'Lucid Dreamers' FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we tell how warmer weather in the Arctic could speed up c

The Ghost In Your Genes - 7 基因外遗传现象

After we had seen how relatively easy it was to change the switches in mouse embryos, we thought that perhaps the same could be true of human embryos. In IVF, you also have the embryo for a brief peri

名校励志英语演讲 07:给大学毕业生的几个忠告

If the world continues on a business-as-usual path, the Intergovernmental Panel on Climate Change predicts that there is a fifty-fifty chance the temperature will exceed 5 degrees by the end of this century. This increase may not sound like much, but

英文书摘精选 How Did Animals Survive The Ice Age?冰河世纪的动物如何生存?

During the last ice age, rapid swings in temperature occurred within decades or less, meaning populations of organisms had to adjust quickly to new environments or face extinction. 在最后一个冰河世纪中，温度在数十年甚至更短的时间

Horizon - Life On Mars 火星生命 - 9

The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee

VOA标准英语2011--Melting Arctic Could be Major Source of Greenhouse Gases

Melting Arctic Could be Major Source of Greenhouse Gases The melting arctic permafrost could release methane-producing microbes with the potential to accelerate climate change, according to a new study published in Nature. Lead author Janet Jansson,

北极冰带的融化将加速全球变暖进程

北极冰带的融化将加速全球变暖进程 DATE=2/16/01 TITLE=SPECIAL ENGLISH ENVIRONMENT REPORT - Arctic Permafrost Melting BYLINE=Cynthia Kirk （Start at 59

NPR 2010-03-05

The New York governors communications chief is resigning over the political scandal overshadowing the states top office. In a statement today Peter Hoffman says that given the recent developments, he had to quit. Governor David Paterson is under pres

2006年VOA标准英语-Scientists Say Melting Permafrost Could Amplify

By Frank Ling Washington 07 August 2006 New research shows that global warming might be worse than expected because of melting permafrost, permanently frozen soil, which can release the greenhouse gas, carbon dioxide. Computer models predict higher

VOA标准英语2011--Polar Scientist Charts Melting Caused by

Polar Scientist Charts Melting Caused by Climate Change Michael Gooseff follows water to the end of the earth. The Pennsylvania State University hydrologist works in remote regions of the Arctic and Antarctic, where ice and frozen ground are thawing.

美国国家公共电台 NPR Cemeteries Turn To Swamps As Alaska's Permafrost Melts

SCOTT SIMON, HOST: Most native villages in the western part of Alaska are built on permafrost. That's a thick layer of frozen soil. And with climate change, the permafrost has started to thaw. In one town, this means their cemetery is melting. People

美国国家公共电台 NPR Is There A Ticking Time Bomb Under The Arctic?

DAVID GREENE, HOST: Come with us on a journey inside the Earth. Well, inside a special layer in the Earth. A quarter of the Northern Hemisphere is covered with what's called permafrost, and for the first time in centuries, the permafrost is beginning

经济学人310:表观遗传学与健康 祖母的诅咒

Science and technology 科学技术 Epigenetics and health 表观遗传学与健康 Grandma's curse 祖母的诅咒 Some of the effects of smoking may be passed from grandmother to grandchild 祖母吸烟产生的影响可以会遗传至孙子或孙女

VOA标准英语2013--生物钟提供衰老的线索

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

生物钟为你提供老去的线索

If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bodies age and how we can slow down the process. University of Califo

美国国家公共电台 NPR Anthrax Outbreak In Russia Thought To Be Result Of Thawing Permafrost

Anthrax Outbreak In Russia Thought To Be Result Of Thawing Permafrost STEVE INSKEEP, HOST: Russia is fighting a mysterious outbreak of disease. Dozens of people are hospitalized due to anthrax. Yes, anthrax, the bacterial infection so deadly that cer