Health Report - The Long Search for a Malaria Vaccine 健康报道 - 疟疾疫苗的长期攻坚之旅 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Malaria control efforts currently depend on things

发表于:2018-12-01 / 阅读(301) / 评论(0) 分类 2011年VOA慢速英语(十二)月

An increasingly out-of-control situation in Baltimore where police say stores are being looted, police cars destroyed and at least seven police officers are hurt some seriously. After a few dozen arrests over the weekend in protest against the recent

发表于:2018-12-02 / 阅读(76) / 评论(0) 分类 2015年NPR美国国家公共电台4月

The descendants of longtime urban dwellers show increased genetically driven resistance to tuberculosis, due to evolutionary selection pressure over millennia. Christopher Intagliata reports 城市长久居住民的后代,经过数千年的自然选择

发表于:2018-12-07 / 阅读(99) / 评论(0) 分类 60秒科学

AGRICULTURE REPORT - Study of a Biotech Plant Finds Pollen Can Travel Farther than Thought By Mario Ritter Broadcast: Tuesday, October 05, 2004 This is Gwen Outen with the VOA Special English Agricult

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 农业与发展

Agriculture Report - Farmers Learning Limits of Popular Herbicide 农业报道 - 农民认识到除草剂的局限性 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Pigweed spreads fast and grows

发表于:2018-12-07 / 阅读(105) / 评论(0) 分类 2012年VOA慢速英语(一)月

This is the VOA Special English Agriculture Report. Plant breeders and genetic engineers keep working to give crops the strength to resist threats like insects, diseases, droughts or floods. But before you can resist a threat, you need to understand

发表于:2018-12-15 / 阅读(36) / 评论(0) 分类 VOA慢速英语2009年(十)月

This is the VOA Special English Health Report. The next time you think about going without sleep, consider this: Laboratory animals that are kept awake for long periods of time ... die. Yet sleep scientist Ying-Hui Fu at the University of California

发表于:2018-12-15 / 阅读(56) / 评论(0) 分类 VOA慢速英语2009年(八)月

AMERICAN MOSAIC -May 17, 2002: 'Spider -Man' the Movie / Music by Jill Scott / New Rules for Foreign Visitors to U.S. Broadcast: May 17, 2002 HOST: Welcome to AMERICAN MOSAIC — VOA’s radio magazin

发表于:2019-01-07 / 阅读(116) / 评论(0) 分类 American Mosaic

Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have

发表于:2019-01-13 / 阅读(71) / 评论(0) 分类 VOA标准英语2012年(五月)

New Malaria Vaccine Passes Safety Test The fight against malaria may have taken a promising step forward with the latest tests of a new kind of vaccine, which aims to keep people healthy and prevent the infection from spreading. Most malaria vaccines

发表于:2019-01-13 / 阅读(65) / 评论(0) 分类 VOA标准英语2011年(九月)

STEVE INSKEEP, HOST: The Pentagon is funding some new research on insects and plant viruses. It says the goal is to protect agricultural crops. Some critics say it looks more like an attempt to make biological weapons. Here's NPR's Dan Charles. DAN C

发表于:2019-01-17 / 阅读(120) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Finches Can Learn to Sing Differently Than Their Genetics Dictate In the most recent podcast we discussed how baby bats learn their callsfrom all the other bats in their crowded colonies. And we mentioned in passing that songbirds usually get tutored

发表于:2019-01-20 / 阅读(66) / 评论(0) 分类 2018年科学美国人1月

Chimpanzees.They are much like us, genetically and atomically, and as it turns out, cocktail logically. Because we finally have solid evidence that chims drink alcohol. So say researchers who observed wild chimpanzees throw back fermented tree sap. T

发表于:2019-01-20 / 阅读(75) / 评论(0) 分类 2015年Scientific American(六)月

High-Sugar Diet Makes Flies Drop Like...Flies高糖饮食加速老化 I dont believe, in all my years, I have ever seen a fruit fly I would consider obese. But, thanks to the wonders of modern science, thats all about to change. Because a team of res

发表于:2019-01-20 / 阅读(86) / 评论(0) 分类 2017年Scientific American(六)月

Skinny mice defy obesity 瘦老鼠挑战肥胖 Lean mouse: Hope for the clinically obese 精瘦的老鼠:肥胖症的希望 Genetically engineered mice which never put on weight could hold the key to a fat- free future for humans, say scientists. R

发表于:2019-01-30 / 阅读(70) / 评论(0) 分类 双语有声阅读

By Phil Mercer Sydney 01 April 2008 Researchers in Australia say a Tasmanian devil called Cedric could hold the key to the survival of the embattled species. The world's largest marsupial carnivore is facing extinction because of a mystery facial can

发表于:2019-01-31 / 阅读(135) / 评论(0) 分类 VOA常速英语2008年(四月)

CARL AZUZ, CNN 10 ANCHOR: A passionate debate is taking place worldwide over claims that genetically edited human children were recently born in China. I'm Carl Azuz. This is CNN 10. Here's how the debate got started. A Chinese scientist named He Jia

发表于:2019-02-03 / 阅读(151) / 评论(0) 分类 CNN美国有线新闻2018年12月

By Steve Mort Orlando, Florida 16 January 2007 watch Cheap Vaccines report A U.S. scientist is developing a method to produce inexpensive vaccines against disease. Professor Henry Daniell, from the University of Central Florida, has found a way to g

发表于:2019-02-03 / 阅读(153) / 评论(0) 分类 2007年VOA标准英语(一月)

Wild Songbirds Can Pick Up New Tunes Only a few kinds of animals are known to learn their vocalizations from listening to others. Us, of course. Elephants. Bats. Cetaceanswhales and dolphins. Pinnipedswalruses, seals and sea lions. And parrots, hummi

发表于:2019-02-03 / 阅读(63) / 评论(0) 分类 2018年科学美国人10月

Nutrigenomics 营养基因组学(nutrigenomics 或nutritional genomics,又叫营养遗传学 nutrigenetics)是研究营养素和植物化学物质对机体基因的转录、翻译表达及代谢机理的科学。 膳食是影响人体健康最重

发表于:2019-02-24 / 阅读(78) / 评论(0) 分类 英语听力文摘 English Digest