[医] 激素试验(检孕)

Hormone Therapy Raises Blood Clot Risk in Menopausal Women　

By David McAlary A new U.S. study highlights more negative health effects women might suffer if they take hormone supplements to combat the symptoms of aging. We know that taking the female hormones e

发表于:2018-12-08 / 阅读(44) / 评论(0)

VOA2004（下）--健康科技

事实：怀孕测试使用青蛙-Frogs Were Used In Pregnancy Tests

Frogs Were Used In Pregnancy Tests Between 1930-1950, African clawed frogs were in great demand. These frogs were imported all over the world and used in labs for pregnancy tests. Technicians injected a sample of a womans urine into a female frogs hi

发表于:2018-12-19 / 阅读(47) / 评论(0)

Facts-事实

Ten US banks fail 'stress tests'

Ten US banks fail 'stress tests' 十个美国银行应力测试失败 Ten of America's largest 19 banks need a combined $74.6bn (50bn) of extra funds to boost（推进，提高） their cash reserves.（现金储备） That is the main finding of the so-called stress tests

发表于:2019-01-07 / 阅读(53) / 评论(0)

英语新闻

SSS 2008-04-17

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(73) / 评论(0)

Scientific American(四)月

SSS 2009-06-02

Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid

发表于:2019-01-08 / 阅读(76) / 评论(0)

Scientific American(六)月

Are Children Taking Too Many Tests?

Are Children Taking Too Many Tests? Urban school systems in the U.S. give too many tests, says a new study. President Obama agrees. In an open letter to parents, he asks: Ive got a pop quiz for parents and teachers across the country. If our kids had

发表于:2019-01-12 / 阅读(62) / 评论(0)

2015年VOA慢速英语(十一)月

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