单词：once-wild
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AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n
2016年VOA慢速英语(十)月
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t
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By Deborah Tate Washington 25 April 2006 The U.S. Senate has begun considering a massive spending bill to pay for the war in Iraq and aiding the recovery of the storm-ravaged Gulf coast. Iraq war crit
2006年VOA标准英语（四月）
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
By Robert Berger Jerusalem 20 August 2007 The Israeli government has reached a compensation deal with Holocaust survivors ending a bitter feud. As Robert Berger reports from VOA's Jerusalem bureau, many survivors of the Nazi genocide during World War
2007年VOA标准英语（八月）