硫胺蛋白酶

经济学人:分子生物学蛋白质的奥秘(1)

Science and technology 科技 Molecular Biology: Folding Stuff 分子生物学：折叠 Shape determines a protein's function. Determining that shape, though, is tricky. 蛋白质的结构决定功能，而结构的形成却很难。 ABOUT 120,000 ty

发表于:2018-12-05 / 阅读(23) / 评论(0)

经济学人科技系列

New Heart Attack Tests

By Nancy Steinbach Broadcast: November 5, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. A new blood test could give doctors a better way to tell if a person is in danger o

发表于:2018-12-15 / 阅读(37) / 评论(0)

VOA2003（下）-环境与健康

SSS 2011-09-22

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Scientists can now include online gaming in their problem-solving arsenal. Because game players seem to have provided an answer to a scientific questio

发表于:2018-12-24 / 阅读(49) / 评论(0)

Scientific American(九)月

VOA标准英语2012--Nano Tool Watches Teardrop Protein Destroy Bacteria

Nano Tool Watches Teardrop Protein Destroy Bacteria About a hundred years ago, a Scottish biologist discovered that proteins called lysozymes in human tears can kill bacteria. Scientists have studied the enzyme extensively, but molecular biologist Gr

发表于:2019-01-13 / 阅读(40) / 评论(0)

VOA标准英语2012年(一月)

VOA标准英语2011--Natural Substance Reverses Diabetes in M

Natural Substance Reverses Diabetes in Mice Researchers used a substance, made naturally in the body, to reverse diabetes in mice, a finding which could be key to rolling back Type 2 diabetes. The enzyme, called NMN (nicotinamide mononucleotide), res

发表于:2019-01-19 / 阅读(36) / 评论(0)

VOA标准英语2011年(十月)

男女通用避孕药即将问世

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(120) / 评论(0)

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