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

经济学人:分子生物学 蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

VOA标准英语2011--Pythons Unlock Human Heart Health Secrets

Pythons Unlock Human Heart Health Secrets Studying snakes might seem like an unlikely way to help people with heart disease, but a pythons remarkable ability to quickly enlarge its heart during digestion has Colorado medical researchers looking towar

VOA标准英语2011--At 75, Seminal US Composer Still Inspires

At 75, Seminal US Composer Still Inspires American composer Steve Reich turned 75 this year. The so-called minimalist credits jazz, African drumming and Balinese gamelan as inspirations. His music - from experimental tape loops to the Pulitzer prize-

TED演讲 第45期:从20马赫的滑翔机到蜂鸟无人机的感想(4)

Matt is the first ever hummingbird pilot. 马特是首位蜂鸟飞行员。 Failure is part of creating new and amazing things. 失败是创造美妙新事物的必经之路。 We cannot both fear failure and make amazing new things like a robot ith

SSS 2011-06-23

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

英文药品说明书的写法（五）

本项中最常用的英语表示法是Contraindications，也有用Restrictions on Use（用药限制）的。 一、本项中涉及到禁用（或慎用）某些药物的患者或某种特殊情况，例如： 1、孕妇、妊娠期或哺乳期，幼

VOA慢速英语2012 Health Report - Designing an Alternative to Antibiotics

Health Report - Designing an Alternative to Antibiotics This is the VOA Special English Health Report. In nineteen twenty-eight a British scientist made a chance observation. He noticed that some mold had grown in bacteria in a culture plate in his l

德国研发皮肤型触控面板

Designed by scientists at the Max Plank Institute in Germany, the iSkin can be stuck to fingers, forearms or even behind people's ears. The thin, flexible sensors can be glued on to the skin like a temporary tattoo. They allow users to control smartp

科学美国人60秒 SSS Water Bears' Super Survival Skills Give Up Secrets

Forget cockroaches. Forget Superman. Forget any other tough-as-nails creatures youve ever heard of. The most indestructible multicellular organisms on Earth are undoubtedly tardigradesmicroscopic eight-legged aquatic invertebrates also known as water

VOA标准英语2011--Natural Substance Reverses Diabetes in M

Natural Substance Reverses Diabetes in Mice Researchers used a substance, made naturally in the body, to reverse diabetes in mice, a finding which could be key to rolling back Type 2 diabetes. The enzyme, called NMN (nicotinamide mononucleotide), res

美国科学60秒 SSS 2015-06-03

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 ！

英语听力文摘 English Digest 446、有三个心脏的家伙！

You Gotta Have Hearts 你必须得有的心脏 When it comes to weird sea-creatures, octopus es are hard to beat. Theres the well-known ink-squirting defense system, the bird-like beak , and the eight tentacle s with their double rows of sucker s . W

China faces severe plasma shortage: health minister

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

研究称吸烟可能降低男性精子质量

Everyone knows that a woman who smokes and plans to become pregnant should stop smoking. A new study suggests that the future father should quit, too. 人人都知道，吸烟的女性如果计划怀孕，就应该戒烟。一项新研究表明，计划

VOA标准英语2009年-Study Provides New Evidence for Geneti

Vronique LaCapra | Washington 02 December 2009 A very small genetic difference between humans and chimpanzees may help explain why chimpanzees can't speak, but humans can The ability to communicate using complex spoken language is a uniquely human ch

VOA标准英语2009年-Fish Kills Linked to Water Pollutants

By Zulima Palacio Washington 19 October 2009 Scientists dissect fish from a river near Washington, DC Since 2002 thousands of fish in the United States have died and continue to die in many rivers, most in the rivers of the southern east coast. Rese

英语听力文摘 English Digest 421、植皮有新招

Silkworm s and Skin Graft s Don: One of the neater things thats going on in biology is the genetic modification of species. By changing the instructions in their genes, we can make certain plants and animals produce things that are useful to humans.

Chinese health minister donates plasma

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

经济学人:人力资本:教育的长久回报期(1)

But this was just the beginning of his analysis. 但是，这仅仅是他的分析的起点。 Becker observed that people do acquire general human capital, but they often do so at their own expense, rather than that of employers. 贝克尔注意到，