帮助学生做数学题的手机应用 WASHINGTON School children usually can count on their parents to help them check if their homework is correct. But as students get older and their assignments get more complex, few parents are qualified to assi

发表于:2018-12-08 / 阅读(38) / 评论(0) 分类 VOA标准英语2015年(七月)

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(66) / 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(55) / 评论(0) 分类 2014年Scientific American(十)月

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 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(140) / 评论(0) 分类 2006年VOA标准英语(八月)

By Peter Fedynsky Bishkek, Kyrgyzstan 24 September 2007 It is said that it takes money to make money. Last year, an economist from Bangladesh won the Nobel Peace Prize for an innovative program called micro-lending that enables poor people to borrow

发表于:2019-01-13 / 阅读(76) / 评论(0) 分类 2007年VOA标准英语(九月)

Flying Dog Brewery Part of Micro Beer Spurt in US Its hard to imagine life without beer. Especially here at the Flying Dog Brewery. This place fills 250 bottles every single minute of production, says the company's Erin Biles. Not bad for a brewery i

发表于:2019-01-14 / 阅读(67) / 评论(0) 分类 VOA标准英语2012年(二月)

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(83) / 评论(0) 分类 VOA标准英语2013年(四月)

By Tom Rivers London 13 October 2006 Muhammad Yunus waves to well-wishers at his home in Dhaka, Bangladesh, Oct.13, 2006 Muhammad Yunus and the Bangladesh bank he set up 30 years ago have been jointly awarded the 2006 Nobel Peace Prize. --- Muhammad

发表于:2019-01-16 / 阅读(123) / 评论(0) 分类 2006年VOA标准英语(十月)

ARI SHAPIRO, HOST: The phrase endangered species often refers to charismatic animals like mountain gorillas or polar bears. Well, today scientists are reporting that a whole different type of extinction is happening inside our bodies. NPR's Michaelee

发表于:2019-01-16 / 阅读(49) / 评论(0) 分类 2017年NPR美国国家公共电台8月

AILSA CHANG, HOST: Chris Solomon recently burst onto the golf scene, but not by scoring birdies on the links. He's a blogger. He loves the PGA, and golf-clap coverage was just not doing it for him. CHRIS SOLOMON: There definitely is certain just kind

发表于:2019-01-16 / 阅读(50) / 评论(0) 分类 2017年NPR美国国家公共电台8月

New research reinforces the importance of prenatal iron supplementation for good birth outcomes and continued good health for growing children. 最近一些新的研究强调产前补铁对安全分娩和成长中孩子的健康非常重要。 Studie

发表于:2019-01-19 / 阅读(84) / 评论(0) 分类 VOA双语新闻 2011年1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(59) / 评论(0) 分类 英语听力文摘 English Digest

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)

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

For over 7,000 years, Asians have been brewing beer. But it's only in the past few years that Asia has overtaken Europe and America to become the world's biggest beer-drinking continent. With an increasingly young and upwardly mobile population, ther

发表于:2019-02-21 / 阅读(63) / 评论(0) 分类 英语听力精选进阶版