美国国家公共电台 NPR Doctors Test Bacterial Smear After Cesarean Sections To Bolster Babies' Microbiomes

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(47) / 评论(0)

2018年NPR美国国家公共电台10月

SSS 2009-05-20

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(42) / 评论(0)

Scientific American(五)月

SSS 2009-01-16

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(53) / 评论(0)

Scientific American(一)月

SSS 2009-01-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(81) / 评论(0)

Scientific American(一)月

Expert on EU Unemployment and EU Summit

EU leaders have reached a deal on the 2014-2020 budgets at the EU summit in Brussels. The deal is designed to speed up spending on youth employment. A total of 26-million people on the continent are unemployed. Nearly a quarter of young people aged 1

发表于:2019-01-19 / 阅读(54) / 评论(0)

世界各地新闻集锦

VOA常速英语2008年-EUFOR Resumes Challenging Deployment Along Suda

By Nico Colombant Dakar 13 February 2008 The European peacekeeping force known as EUFOR has resumed deploying in the refugee-swamped border region near Sudan. It had stopped for several weeks because of a major rebel incursion in Chad, one of the two

发表于:2019-02-04 / 阅读(64) / 评论(0)

VOA常速英语2008年（二月）

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