英语听力

英语听力 搜  索:

 当前位置 > 听力课堂 >VOA Special English >Science Report > 听力列表

  

Science Report听力列表

  • Icemans Death
  • This is the VOA SpecialEnglish Science Report.Scientists have announced the cause of death for a man who diedfive-thousand-three-hundred years ago. The scientists say the manwas killed by an arrow that tore through his back. They say thediscovery of the arrow in the victim's body settles questions o...
  • Female Hormones and Heart Disease
  • This is the VOA SpecialEnglish Science Report.The American Heart Association has changed its advice about olderwomen and female hormones. The organization now says healthy orderwomen should not take the hormones to prevent heart disease. And itsays women with heart disease also should not take the h...
  • Designer Antibiotics
  • This is the VOA SpecialEnglish SCIENCE REPORT.Researchers in La Jolla, California, have taken steps towarddeveloping effective new antibiotic drugs. M. Reza Ghadiri and otherresearchers from the Scripps Research Institute have developedstructures called "nanotubes." Nanotubes are molecules of amino ...
  • OxyContin Warning
  • This is the VOA SpecialEnglish SCIENCE REPORT.The federal government and manufacturers of the drug OxyContinhave increased warnings about its use. Directions on the containersof the pain-killing medicine are being changed. They now mustinclude a warning that the effects of OxyContin are like morphin...
  • Cloning Mount Vernons Trees
  • This is the VOA SpecialEnglish Science Report.Tree experts have begun an effort to rebuild forests near thehome of America's first president, George Washington. Earlier thismonth, workers gathered buds from tall, old trees on the grounds ofGeorge Washington's home, Mount Vernon. It is in the state o...
  • Dinosaur Noses
  • This is the VOA SpecialEnglish SCIENCE REPORT.An American scientist has found that many images of dinosaurs maybe wrong. For years, pictures of the ancient creatures have showntheir nose openings near the top of the head. The new study suggeststhe dinosaurs' nostrils were just above the mouth.Dinosa...
  • AIDS in the United States
  • This is the VOA SpecialEnglish SCIENCE REPORT.The disease AIDS was first reported in the United States twentyyears ago. By the end of last year, more thanseven-hundred-seventy-four-thousand Americans had AIDS. More thanfour-hundred-forty-eight-thousand Americans had died from thedisease.Recently, Am...
  • Testing Possible Treatments for CJD
  • This is the VOA SpecialEnglish Science Report.American scientists say that two drugs have shown to be effectiveagainst the protein thought to cause the deadly brain conditionCreutzfeldt-Jakob disease, or CJD.CJD causes holes to develop in the brain. It is rare, and cannotbe cured. It usually affects...
  • Digestive System Camera
  • This is the VOA SpecialEnglish Science Report.The American government has approved a device that lets doctorssee detailed images from inside the human body.The Food and Drug Administration approved marketing of a deviceas small as a medicine pill. The patient swallows the device. Itcontains a very s...
  • Failing Memory
  • This is the VOA SpecialEnglish SCIENCE REPORT.It is common for older people to forget things. Now an Americanstudy has found that memory starts to fail when we are young adults.People younger than thirty years of age usually do not know thatthey are starting to forget information. But scientists fro...
  • Search for Long Life Gene
  • This is the VOA SpecialEnglish Science Report.In the year Nineteen-Hundred, a baby born in the United Statescould expect to live to be about forty-nine years old. Today, thelife expectancy for a baby in the United States is seventy-sevenyears. The main reasons for this change are better food, improv...
  • Earthquake Threat in the Himalayas
  • This is the VOA SpecialEnglish Science Report.American and Indian scientists say new evidence shows that Indiaand nearby countries are in danger of suffering a huge earthquake inthe future.A recent study found rock activity and pressure under theHimalayan Mountains and the Tibetan plateau. The resea...
  • African Elephants
  • This is the VOA SpecialEnglish Science Report.Scientists say African elephants that live in the forest andthose that live in grasslands are different enough to be consideredseparate kinds, or species. Until now, scientists believed allAfrican elephants were the same genetically. They have longrecogn...
  • Number of Human Genes Questioned
  • This is the VOA SpecialEnglish SCIENCE REPORT.Scientists are questioning a widely reported finding from thefirst detailed study of the human gene map. The scientists disputethe finding that humans have only about thirty-thousand genes.The new report suggests the true number could be much greater.The...
  • Sports Drugs
  • This is the VOA SpecialEnglish SCIENCE REPORT.A new study says many young people in the United States takesubstances that claim to make people perform sports better. Thestudy says that about one-million Americans between the ages oftwelve and seventeen years old have used these sports supplements.On...
  • Planning for Safer Buildings
  • This is the VOA SpecialEnglish Science Report.Experts are beginning to study ways to secure large buildingsagainst terrorist attacks. They are reacting to the attacks thatdestroyed the World Trade Center buildings in New York Septembereleventh.The American Institute of Steel Construction has created...
  • Bacteria and Stomach Cancer
  • This is the VOA SpecialEnglish Science Report.Researchers say the bacterium that causes stomach wounds, orulcers, is also the leading cause of stomach cancer. The bacteriumis called Helicobacter pylori. The researchers say doctors may beable to kill the bacteria with antibiotic drugs to help prevent...
  • Robotic Surgery
  • This is the VOA SpecialEnglish Science Report.French doctors and American scientists have reported performing acomplete operation in which the doctor was outside the operatingroom. This kind of operation is known as robotic surgery.Jacques Marescaux performed the operation last month. He removedthe ...
  • Virus Appears to Slow HIV
  • This is the VOA SpecialEnglish Science Report.A harmless virus carried by millions of people around the worldmay slow the progress of H-I-V, the virus that causes the diseaseAIDS. Studies show that people infected with both viruses livelonger than people infected with H-I-V alone. Experts say thedis...
  • Satellite Radio
  • This is the VOA SpecialEnglish SCIENCE REPORT.A private company has launched a satellite radio service in theUnited States. X-M Satellite Radio is offering one-hundred radiochannels, with music, news and other information. X-M is currentlyoffering its service to listeners in the cities of Dallas, Te...
 Science Report   82   20   3/5页   9   7   1   2   3   4   5   8   :   GO 

关于听力课堂    版权声明    诚聘英才    用户留言    联系我们    

听力课堂欢迎一切形式的合作。手机:15832170794,Email:xbonline@163.com

Copyright © 2003-2008 www.TingClass.com All Rights Reserved