单词:ecological mutation
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Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc
Italian environmental officials are warning of an ecological disaster in Italy caused by an oil spill flowing down the Po River. They say water and bird species are at risk, as well as a fertile agricultural area. The say the oill spill has already c
Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi
In an effort to protect the ecological environment along the Yangtze River, officials in Hubei's capital Wuhan have taken a series of measures to regulate the wharves along shore. CRI's reporter Huang Yue has more. In late December, the average low i
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
人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点
Broadcast: Mar 21, 2003 Britain's military chief says coalition forces have seized Iraq's key southern oil facilities, apparently averting what could have been a major ecological disaster. British mil
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
This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi
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
SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO
A report by a number of leading conservation groups warns that unless prompt corrective measures are taken, the planet is heading toward an ecological credit crunch. For VOA, Tom Rivers reports from London. Cover of the Living Planet Report The repo
Ecological Footprint Africas ecological footprint is getting bigger. The continents growing population is placing greater demand on its natural resources. A new report calls on African nations to adopt a more sustainable approach to development to en
Environmentalists protest the Gulf of Mexico oil spill in front of the White House The oil spill in the Gulf of Mexico is turning into a major ecological disaster. But the political fallout from the spill and impact on the future of offshore drilling
Sierra Leone is working to preserve the ecosystem of coastal mangrove swamps that are threatened by people collecting firewood and harvesting salt. Harvesting salt along the coast of West Africa is an age-old business. But today conservationists say
Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来,口吃可以归咎
Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno
Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后,这位女演员开始
Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可