PBS高端访谈:基因改造的老鼠是否可以减少莱姆病?

But first: Lyme disease is on the rise. It's being spread by a growing tick population and has become a particular problem for the Massachusetts islands of Nantucket and Martha's Vineyard. But an MIT scientist thinks he might have a long-term solutio

儿童英语读物 The Mystery in the Cave CHAPTER 9 Trapped Underground!

After saying good-bye to Joe Caveman, the Aldens spent the rest of the afternoon exploring the new cave. Know what? Benny asked as he walked along with his brother and sisters. Joe Caveman never told us his real name. I like the name you gave him way

The Green Grass Grew all around

There a hold in the middle of the ground. The prettiest hold that you ever did see. Well, a hole in the ground. CHORUS And the green grass grew all around and around. And the green grass grew all arou

英语笑话：eating grass 吃草

eating grass A man and a woman start to have sex in the middle of a dark forest. After 15 minutes, the man gets up and says, Damn, I wish I had a flashlight! The woman says, Me，too. You've been eating grass for the past ten minutes! Notes: 1. After

2007-09-29, Golf Grass-高尔夫球场知多少

Millions of Americans enjoy playing golf, but golf courses are not known to be environmentally-friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. That's true of most golf courses, but let's look at one

2007-08-23, Lyme Disease & Deer Tick 莱姆病和鹿蜱

This is a white-footed mouse in Lyme Connecticut. This is the bacterial disease inside the mouse in Lyme Connecticut. These are the deer ticks sucking the blood of the mouse that has the bacterial disease in Lyme Connecticut. This is the tick that's

PBS高端访谈:关于CRISPR基因编辑技术在进化方面的讨论

JUDY WOODRUFF: As Vice President Biden said earlier, innovations in genetics could be crucial to finding cures for diseases like cancer. One of the most significant developments in this field is the newly discovered ability to modify the very genes i

散文：The Grass so little has to do

The Grass so little has to do - A Sphere of simple Green - With only Butterflies to brood And Bees to entertain - And stir all day to pretty Tunes The Breezes fetch along - And hold the Sunshine in its lap And bow to everything - And thread the Dews,

SSS 2012-06-18

Deer tick and Lime disease go hand in hand in some places but you can't always put blame on Bambi. Because new research shows the incidence of Lime disease tracks less with the abundance of deer than those with disappearance of foxes. The study is in

饶舌:Plies - Make a movie

歌曲 ： Make a movie 艺人 ： Plies 音乐星级 ： ★★★★ 所属专辑 ： Da Realist 发行年代 ： 2008 风格 ：Rap 介绍： Florida说唱歌手Plies，处子作夺得了Billboard 200专辑榜的亚军，以这么一个好得开端，他陆续发行专辑，08年Plies推出最新大碟《Da Realist》，M

美国乡村音乐:Green grass of home

Green grass of home - 美国乡村音乐 The old home town looks the same as I step down from the train当我步下火车时，我看到家乡一如往昔 And there to meet me are my mamma and my poppa妈妈和爸爸来车站接我 Down the read I look, and there runs marry, hair o

英美人天天都在说的4000句 114: miss the boat

[00:01]L：Couples of fevers of unknown origin in Boston. Their infectious diseases, doctors can't figure them out. [00:05]R：Wouldn't be African explorers back from Zaire, would they? [00:08]L：Yeah, right. No, just a couple American kids. No unus

美国国家公共电台 NPR Forbidding Forecast For Lyme Disease In The Northeast

STEVE INSKEEP, HOST: We have an early warning in Your Health this morning. Ecologists are expecting a really bad season for Lyme disease. RACHEL MARTIN, HOST: Their warning applies to parts of the Northeast this spring and summer. NPR's Michaeleen Do

美国国家公共电台 NPR Beyond Lyme: New Tick-Borne Diseases On The Rise In U.S.

LAKSHMI SINGH, HOST: Ticks are known to carry Lyme disease. You probably already know that. But there are about a dozen other diseases carried by ticks that are cropping up and spreading across this country. It's part of a trend around the world. Ove

美国国家公共电台 NPR Lyme Disease Is On The Rise Again. Here's How To Prevent It

RACHEL MARTIN, HOST: It is tick season, and with it comes the risk of Lyme disease. Once found mainly in New England, Lyme disease is now being reported in a much wider range of the U.S. NPR's Allison Aubrey reports that cases have more than doubled

PBS高端访谈:大幅修正莱姆病统计数据又添新疑问

GWEN IFILL: Next: the rising toll of Lyme disease and the questions surrounding treatment. Jeffrey Brown has the story. JEFFREY BROWN: Lyme disease was first identified in the 1970s, but it now turns out that it's much more common than previously est

双语有声阅读：The Grass so little has to do

The Grass so little has to do - A Sphere of simple Green - With only Butterflies to brood And Bees to entertain - And stir all day to pretty Tunes The Breezes fetch along - And hold the Sunshine in its lap And bow to everything - And thread the Dews,

英语摇滚:英伦经典，年少轻狂-Supergrass

英伦经典，年少轻狂：Supergrass Supergrass，上世纪九十年代最成功的Britpop乐队之一。在美国，他们的大歌迷斯蒂文斯皮尔柏格甚至萌发了以Supergrass为蓝本拍摄电视剧的主意。在他们的音乐中，你

经典歌曲-绿草如茵的家green green grass of home

经典歌曲-绿草如茵的家green green grass of home 汤米 琼斯 the old home town looks the same as i step down from the train and there to greet me are my mamma and my poppa down the road i look, and there runs mary hair of gold, lips like ch

Moving 华丽弦乐Supergrass

Supergrass今年发行了新专辑《Diamond Hoo Ha》，又一次证明了他们的实力。趁着这股劲风，再次回味这张十年精选，个中感情不言而喻。 Artist:Supergrass Song:Moving Moving just keep moving Till I don't know what I'm saying I've been moving so long The days al