[医] 转化酶

NPR 美国国家电台 2014-09-24

The Pentagon says the US and coalition partners are carrying out air strikes against Islamic state extremist ISIS in Syria. A new front of US operation against the militants. The strikes are sent on Raka where ISISs headquarters are. Canadian border

发表于:2018-12-02 / 阅读(112) / 评论(0)

2014年NPR美国国家公共电台9月

美容时尚英语:战胜黑眼圈

Combat Dark Under Eye Circles 01 战胜黑眼圈 01 对付黑眼圈的方法土豆泥能够减轻黑眼圈。土豆含有邻苯二酚酶，化妆品中用它作为美白皮肤的物质。把一个土豆在食物加工机中绞碎，然后将生土豆泥包裹在一块奶酪布里。把包有土豆泥的布敷在眼睛下方，持续15至20分钟

发表于:2018-12-05 / 阅读(186) / 评论(0)

美容时尚英语

数学英语 40 How to Divide Fractions

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(110) / 评论(0)

数学英语

男人的生物钟

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

发表于:2018-12-11 / 阅读(138) / 评论(0)

万花筒2006年

Plastic-Eating Worms May Cut Pollution

Researchers may have found an unusual way to reduce plastic pollution, one bite at a time. It turns out that the common wax worm can eat plastic. Also known as the Galleria mellonella, these worms may help reduce the waste caused by plastic bags. Eac

发表于:2019-01-02 / 阅读(121) / 评论(0)

2017年VOA慢速英语(五)月

VOA慢速英语2017--烤吐司会致癌吗？

From VOA Learning English, this is the Health Lifestyle report. Many Americans have toasted bread first thing in the morning. For some, the morning meal also includes hash browned potatoes. Or later in the day, they might enjoy potato chips or crispy

发表于:2019-01-02 / 阅读(229) / 评论(0)

2017年VOA慢速英语(三)月

为什么坐办公室会加速衰老?

办公室的环境会加速衰老,这是什么原因造成的呢?下面的双语美文会告诉我们答案. 1 We all know that hectic office environments can increase stress levels and deplete our immune systems but did you know that your desk could

发表于:2019-01-03 / 阅读(92) / 评论(0)

实用英语

SSS 2008-10-06

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

发表于:2019-01-08 / 阅读(138) / 评论(0)

Scientific American(十)月

SSS 2009-04-14

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? Altruism poses a problem for the theory of survival of the fittest. If we help others at a cost to ourselves, nice-guy behavior should die out, because we are giv

发表于:2019-01-08 / 阅读(140) / 评论(0)

Scientific American(四)月

SSS 2009-03-10

This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. So check this out: Hi my name is Adi Rajagopalan, I'm going on 18 in a few days, and my project was Modelling Synergistic Cellulolytic-Hemicellulol

发表于:2019-01-08 / 阅读(108) / 评论(0)

Scientific American(三)月

TED演讲:我们为什么要排气(3)

At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时，产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷， which can reduce the total volume of gas by u

发表于:2019-01-17 / 阅读(132) / 评论(0)

TED演讲教育篇

男女通用避孕药即将问世

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(196) / 评论(0)

实用英语

【英语语言学习】红酒可以延缓衰老？

This is SCIENCE FRIDAY, I'm Ira Flatow. Here's some news to raise a glass to: the idea that red wine may help us live longer and healthier lives. Well, it got a new boost this week. According to a team of researchers, a compound found in the skin of

发表于:2019-01-24 / 阅读(232) / 评论(0)

英语语言学习

经济学人127:癌症预防灵丹妙药

Technology Prevention of cancer Wonder drug 科技癌症预防灵丹妙药 Aspirin continues to amaze 阿司匹林：继续给你惊喜 FOR thousands of years aspirin has been humanity's wonder drug. 阿司匹林作为人类的特效药实际上已存

发表于:2019-01-26 / 阅读(120) / 评论(0)

经济学人商业系列

鲜为人知的八个科学常识误区

Animals can predict natural disasters 动物能够预知自然灾害 There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. Their keen senses of smell, hearing, and sharp instincts alone are eno

发表于:2019-02-01 / 阅读(360) / 评论(0)

实用英语

办公室隐藏的“岁月杀手”

看似简简单单的办公室其实危机四伏。皮肤病专家们揭示，在我们的日常办公环境中，隐藏着许多加速皮肤衰老的岁月杀手。让人意想不到的是，电话座机、电脑屏幕、办公位置等很多因素都

发表于:2019-02-01 / 阅读(155) / 评论(0)

实用英语

能够帮你提高记忆力的7种食物

发表于:2019-02-01 / 阅读(194) / 评论(0)

实用英语

经济学人178:教育心理学现在你要知道

Educational psychology 教育心理学 Now you know 现在，你要知道 When should you teach children, and when should you let them explore? 什么时候应该告诫孩子，和什么时候应该让孩子自己摸索？ It is one of the oldest deb

发表于:2019-02-16 / 阅读(90) / 评论(0)

经济学人科技系列

女性多吃豆类男性多吃鱼

Women who ate soy regularly as children have a lower risk of breast cancer, American researchers report. And men who eat fish several times a week have a lower risk of colon cancer, a second team of researchers have told the American Association for

发表于:2019-02-18 / 阅读(172) / 评论(0)

阅读空间

2018年CRI Scientists engineer mutant enzyme which eats plastics quickly

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(142) / 评论(0)

2018CRI中国国际广播电台

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