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1 emgenetics/em |n. |[U] a branch of biology dealing with heredity and genetic variations |遗传学 || ||Such work is considered essential in studying human genetics. |这种工作被认为在研究人类遗传学方面是很重要的。 || ||Advanc
新视野大学英语读写教程词汇 第四册
In this Moment of Science Yael and Don discuss how women can see more color. Yael: Not only are eight percent of men colorblind, but even compared to men who can distinguish between reds and greens, many women may live a more colorful existence. That
英语听力文摘 English Digest
This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Scientists have worked for twelve years to develop what they call Green Super Rice. They say several varieties should be available to farmers about t
2011年VOA慢速英语(二)月
This is scientific American 60 seconds science. I'm *, got a minute ?Genetically engineered bacteria already proves some products are commercial interests or biometical importance such as insulin. And coaxing the organism to do so can be done with a
2015年Scientific American(一)月
During the last ice age, rapid swings in temperature occurred within decades or less, meaning populations of organisms had to adjust quickly to new environments or face extinction. 在最后一个冰河世纪中，温度在数十年甚至更短的时间
初学者听力文摘精选
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
初学者听力文摘精选
What Is Progeria? Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging. Children with progeria are normal for their first year of life, but then develop medical problems normally seen i
英语听力文摘 English Digest
Why Stay in Bed? 早起的虫儿被鸟吃？ Some people are night owls; some are early birds. You probably know which one you are, but did you know that there may be a biological reason why some people are out of bed at dawn while others prefer to b
双语有声阅读
One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t
60秒科学
The first time you visit your boyfriends place, he no doubt tidies up, to give you the illusion that he doesnt live like an animal. Well, animals, too, can use optical illusions to woo a mate. Take the bowerbird. 你第一次去男朋友的家里，他
60秒科学
By Rivers, Tom London 02 October 2006 This year's Noble Prize in Medicine has been awarded to a team of U.S. researchers. Two Americans have won this year's Nobel Prize for Medicine. Hans Jornvall, the Secretary of the Nobel forum, made the announce
2006年VOA标准英语（十月）
By Melinda Smith Washington 18 July 2007 We are going to find out about two studies on breast cancer. One studied whether a diet very high in fiber and low in fat could reduce the risk of recurring breast cancer. Another study focused on women with a
2007年VOA标准英语（七月）
By Phil Mercer Sydney 21 May 2008 Australian and U.S. scientists have successfully inserted a gene from the extinct Tasmanian tiger into a mouse embryo. They say the result has been bone and cartilage from the extinct marsupial developing inside the
VOA标准英语2008年（五月）
Scientists Developing Salt-Tolerant Rice Scientists are developing a salt-resistant variety of rice. The move was prompted, in part, by last year's Japan tsunami, which flooded some 20,000 hectares of rice paddies. The rice varieties Japanese farmers
VOA标准英语2012年(一月)
Test Tube Pups May Help Rescue Endangered Species 试管小狗的成功可拯救濒临灭绝动物 Scientists at Cornell University have proudly presented the first litter of dogs successfully born through in vitro fertilization, or IVF. The breakthr
VOA标准英语2015年(十二月)
NYC Mice Are Packed with Pathogens Rats. They're a defining feature of life in New York City, rustling in trash bags, scurrying along the subway tracksand becoming famous for occasionally eating pizza. But these urban vermin may be less of a threat t
2018年科学美国人4月
By Melinda Smith Washington 19 March 2008 A scientific review published in the Journal of American Medicine shows that the field of genetics has made a lot of progress in recent years. According to JAMA , genetic testing is able to identify more than
VOA标准英语2008年（三月）
今天我们要学的词是pinpoint。 Pinpoint, 准确地指出。 The firefighters haven't been able to pinpoint the cause of the fire, 消防队员还没找到火灾的起因。After the game, the coach pinpointed a couple of areas for the team to
英语单词荟萃
今天我们要学的词是 therapy. Therapy 治疗。Gene therapy can help restore vision in patients with a rare form of childhood blindness, but its benefits will start to diminish after one to three years. 基因疗法可以帮助小时候因为一
英语单词荟萃
By Jessica Berman Washington 03 April 2008 Three independent teams of researchers have found genes that may explain why some smokers get cancer and others do not, and why some people who never smoke also get the disease. Investigators say the discove
VOA常速英语2008年（四月）