STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(67) / 评论(0) 分类 2018年NPR美国国家公共电台10月

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? The human microbiome means community of tiny organisms that live on us and inside us. These creators play a vital role in our health. They calibrate our min-sys

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 2014年Scientific American(十)月

Touring Celebrity Homes and Filming Locations Tour guide: Welcome to Hollywood Tours, everybody. Im your tour guide for today, and Ill be showing you some of the most memorable locations in Hollywood history. Every seat in this double-decker bus is a

发表于:2018-12-28 / 阅读(107) / 评论(0) 分类 2013年ESL之旅行交通购物

By Mike O'Sullivan Los Angeles 01 May 2008 A new type of business is focused on making a difference in society as well as making a profit. Mike O'Sullivan reports, so-called social businesses are linking investors in the industrial world and entrepre

发表于:2019-01-04 / 阅读(87) / 评论(0) 分类 VOA标准英语2008年(五月)

By Deborah Block Baghdad 15 February 2008 Thousands of people who fled Iraq because of sectarian violence, after the fall of Saddam Hussein in 2003, have been returning in recent months. But the U.N. High Commissioner for Refugees says 2.5 million pe

发表于:2019-01-09 / 阅读(101) / 评论(0) 分类 VOA常速英语2008年(二月)

By Scott Bobb Luanda 24 July 2007 Angola's civil war ended five years ago but today the country and its people still struggle to overcome the devastation caused by the 27 years of conflict. At one point, 80 percent of the people lived off the informa

发表于:2019-01-12 / 阅读(119) / 评论(0) 分类 2007年VOA标准英语(七月)

By Stephanie Ho Washington 24 August 2006 The MacArthur Foundation, better known for offering so-called genius grants each year to individuals, will now recognize small non-profit organizations. The groups are diverse and are in different countries,

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 2006年VOA标准英语(八月)

By Tendai Maphosa Harare 24 May 2006 In May 2005 the Zimbabwean government launched a blitz on informal businesses and unauthorized housing, making thousands homeless when their houses were razed. A year later some are still homeless, despite govern

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 2006年VOA标准英语(五月)

Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 VOA标准英语2013年(四月)

AILSA CHANG, HOST: The nation's epidemic of opioid abuse has created new opportunities for insurance fraud. Health care insurance pays for the costs of recovery. That's led to a boom in residential treatment programs for addicts, some of which use de

发表于:2019-01-16 / 阅读(103) / 评论(0) 分类 2017年NPR美国国家公共电台8月

A Small Town Struggles With A Boom In Sober Living Homes DAVID GREENE, HOST: Today in Your Health - addiction recovery. This is a multibillion dollar industry. And one of the fastest-growing treatment models is the so-called sober-living home, a plac

发表于:2019-01-17 / 阅读(49) / 评论(0) 分类 2016年NPR美国国家公共电台8月

This year, the number of mobile phones on cell networks is expected to surpass the Earth's population. More people now own cell phones than actually have access to working toilets. James Meadow, a microbial ecologist at the University of Oregon. Hidd

发表于:2019-01-20 / 阅读(61) / 评论(0) 分类 2014年Scientific American(七)月

This year the number of mobile phones on ... the population. More people now on cellphones actually have access to toilets. James Middle of micro... colleges at the university of Organ. Here in the data is the reality that some people work on their p

发表于:2019-01-20 / 阅读(61) / 评论(0) 分类 2014年Scientific American(七)月

By June Soh Washington, D.C. 07 June 2007 The U.S. Justice Department says homicides in the United States are most often committed with guns, especially handguns. And the number of shooting deaths has increased steadily over years. But a new technol

发表于:2019-01-26 / 阅读(93) / 评论(0) 分类 2007年VOA标准英语(六月)

Microneedles 微针疗法 Female: From flu vaccin es to tetanus booster s , injections are a must in modern medicine. But do they always have to make you say Ouch? Male: Eh,no? F: No,indeed.If new microneedle technology is successful, we may soon hav

发表于:2019-01-26 / 阅读(60) / 评论(0) 分类 英语听力文摘 English Digest

A Tour of Homes. Welcome back to our tour where we discover each and every room and object in the home. Remember, if you can learn and remember this vocabulary, you will have the advantage of being able to use words and phrases that make you sound na

发表于:2019-01-28 / 阅读(59) / 评论(0) 分类 英语博客 A cup of English

By Phillip Wellman Dakar 12 October 2007 Officials at the United Nations say they would like to review disaster management policy in West Africa, where recent floods have killed hundreds and left hundreds of thousands displaced. They say the floods h

发表于:2019-01-31 / 阅读(66) / 评论(0) 分类 2007年VOA常速英语(十月)

图片1 A Tour of Homes 3, the lounge/ family room. Join me again as we walk through a typical house, and observe all the every day objects that native speakers can name so easily. Before we get started, do you remember any of the vocabulary from the

发表于:2019-02-07 / 阅读(102) / 评论(0) 分类 英语博客 A cup of English

STEVE INSKEEP, HOST: Every year, more than 1 million children and adolescents sustain a concussion. The symptoms may vanish in days or last for months. And right now, doctors usually cannot predict how long the recovery will take. That could be chang

发表于:2019-02-13 / 阅读(129) / 评论(0) 分类 2017年NPR美国国家公共电台5月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER some ways to help you improve your memory. ELDH: We don't forget, we just haven't learned it in the first place.RS: That's Wendi Eldh. She's a communications trainer who teaches me

发表于:2019-02-14 / 阅读(186) / 评论(0) 分类 英语单词大师-Word Master