茶碱甘氨酸钠

EXPLORATIONS - In an Age of Modern Science and Medicine, Inf

EXPLORATIONS - In an Age of Modern Science and Medicine, Infectious Diseases Remain the World's Leading Killer By Jill Moss Broadcast: Wednesday, September 21, 2005 (MUSIC) VOICE ONE: I'm Faith Lapidu

发表于:2018-12-01 / 阅读(655) / 评论(0)

Explorations

经济学人:分子生物学蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

发表于:2018-12-05 / 阅读(377) / 评论(0)

经济学人科技系列

经济学人:分子生物学蛋白质的奥秘(2)

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(410) / 评论(0)

经济学人科技系列

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(368) / 评论(0)

Scientific American(一)月

SSS 2009-04-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(345) / 评论(0)

Scientific American(四)月

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

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科技之光

专业术语—基因专业词汇A/B

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医务英语

EVER GREEN -GLENN MEDEROS

Love soft as an easy chair love fresh as the morning air one love that is shared by two i have found with you like a rose under the april snow i was always certain love would grow love ageless and evergreen seldom seen by two you and i will make eac

发表于:2019-01-03 / 阅读(374) / 评论(0)

珍藏经典老歌

SSS 2008-10-17

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

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Scientific American(十)月

SSS 2009-09-17

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(340) / 评论(0)

Scientific American(九)月

VOA标准英语2011--Mini Med School Draws the Curious

Mini Med School Draws the Curious Becoming a doctor takes many years of training and tens of thousands of dollars in tuition. But anyone can get a taste of medical training, from real medical school professors, in just two months, for free, at a mini

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VOA标准英语2011年(十月)

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(464) / 评论(0)

经济学人科技系列

经济学人107:克雅氏病攻破屏障

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技克雅氏病攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(401) / 评论(0)

经济学人科技系列

60秒科学:Pharaohs Had Heart Disease

Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

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60秒科学

60秒科学:Darwin in Battle of Wits against Unarmed Man

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60秒科学

VOA慢速英语2010年-Health Report - Needle Injuries to Med

This is the VOA Special English Health Report. For medical students, real experience begins not in a classroom but at a teaching hospital. These doctors in training are supervised. But sometimes accidents happen and the students get injured. For exam

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2010年慢速英语(二)月

VOA标准英语2009年-Obama Arrives in Moscow for Talks With Med

U.S. President Barack Obama has arrived in Moscow for talks with Russian leaders, expected to focus largely on arms control. President Barack Obama (R), his daughters Malia (2R), and Sasha and his wife Michelle Obama are seen on their arrival at Mos

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VOA标准英语2009年(七月)

万物简史第407期:生命的起源(1)

19 The Rise Of Life 第十九章生命的起源 In 1953, Stanley Miller, a graduate student at the University of Chicago, took two flasksone containing a little water to represent a primeval ocean, 1953年，芝加哥大学的研究生斯坦利米勒拿

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万物简史

万物简史第408期:生命的起源(2)

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起，就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(346) / 评论(0)

万物简史

每天吃鲑鱼像戒烟一样有益

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(614) / 评论(0)

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