标签：mutation 相关文章
Breast, Cervical Cancers Rates Rising Worldwide Women all over the world are at increased risk of developing breast and cervical cancers. A new study finds that, for reasons not yet understood, the incidence of these cancers is up in most countries,
VOA标准英语2011年(九月)
A lot of people have had impacted third molars. Third molars produce a lot of chronic pain. Alan Mann, a Prinston University physical anthropologist at the annual meeting of the American Association for the Advancement of Science in Boston on Februar
Scientific American(二)月
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
By Jim Bertel Washington, DC 17 February 2006 watch Bird Flu report As the deadly H5N1 strain of bird flu continues to spread from Asia to the Middle East, Africa and Europe, there have been many pred
2006年VOA标准英语（二月）
By Melinda Smith Washington, DC 27 September 2006 watch Colon Cancer report Growth(s) discovered in a colon Colon cancer is one of the most common forms of cancer in the world. But with early detection, colon cancer is highly treatable. If you have
2006年VOA标准英语（九月）
By John Shields Washington 10 February 2006 watch Africa Bird Flu report Chickens for sale in a Lagos market The World Health Organization says this week's outbreak of the deadly H5N1 avian flu virus
2006年VOA标准英语（二月）
By Peter Fedynsky Washington, DC 03 March 2006 watch Combating Bird Flu Migratory birds Last year, avian flu was confined to four countries in Asia. Today, the virus is reported in 33 nations on three
2006年VOA标准英语（三月）
By Catherine Maddux Washington 16 March 2006 Four countries in Africa have reported cases of the deadly strain of avian flu -- Egypt, Niger, Nigeria and, most recently, Cameroon, where it was confirme
2006年VOA标准英语（三月）
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 Carol Pearson Washington, D.C. 22 June 2007 Studies show that women with a strong family history of breast cancer -- meaning their mothers, sisters, aunts or grandmothers had the disease -- have a higher risk of getting breast cancer, too. But a
2007年VOA标准英语（六月）
Alzheimer's Researchers Switch Focus to Prevention Methods As people live longer, there is growing pressure to develop a drug or vaccine that stops dementia. Health and Human Services Secretary Kathleen Sebelius says setting priorities and coordinati
VOA标准英语2012年(六月)
Terrorism Fears Prompt Call for Restrictions on Publishing Virus Research 美国政府要求两期刊不公开H5N1病毒研究细节 The U.S. government has asked two scientific journals not to publish key details of a federally-funded experiment tha
VOA标准英语2011年(十二月)
Dr. Anthony Fauci and Michele Molonye-Kitts say U.S. funding has led to advancement in global AIDS treatment James Butty | Washington, DC 24 November 2009 The director of the U.S. National Institutes of Allergy and Infectious Diseases said progress
VOA标准英语2009年(十一月)
Foundation Promotes Breast Cancer Self-Exams, Education 基金会推动乳腺癌自我检查以及相关知识教育 Early detection is the key to helping women survive breast cancer. But medical experts say getting that message out remains a challen
VOA标准英语2014年(三月)
RACHEL MARTIN, HOST: This next story is about a line of cancer research that could potentially help a huge number of people, people like Michael Robertson. MICHAEL ROBERTSON: I'd been having unidentified symptoms for a few months, but it was during a
2018年NPR美国国家公共电台3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）
In her public words:It's being an unemotional and beautifully inspiring few months. Brad Pitt pay tribute to Angelina Julie for the decisions she took and for makeing her private struggle public. It's such a wonderful relief to come through this he s
访谈录2013年
By Scott Bobb Bangkok 10 April 2006 United Nations officials say the bird flu virus that has killed more than 100 people and millions of fowl in various parts of the world continues to pose a major th
2006年VOA标准英语（四月）
The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi
VOA标准英语2008年(十二月)