单词：mutation lethal
单词：mutation lethal 相关文章
This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now
Scientific American(五)月
This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj
Scientific American(五)月
Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they
英语新闻
RACHEL MARTIN, HOST: Now to China, where a strain of bird flu has killed a record number of people this year. Scientists on the frontlines of this deadly strain are more worried than ever about its potential to spur a global pandemic. NPR's Rob Schmi
2017年NPR美国国家公共电台4月
By Jessica Berman Washington 08 May 2006 Scientists report they have cured a highly malignant form of cancer in ordinary laboratory mice using the white blood cells of mice that are resistant to cance
2006年VOA标准英语（五月）
By Cindy Saine Washington 16 April 2008 The U.S. Supreme Court has upheld the most common method of lethal injection used for executions by the federal government and 36 states. The unsuccessful constitutional challenge to the three-drug lethal injec
VOA常速英语2008年（四月）