World's First Cloned Sheep and related media

World's First Cloned Sheep

On February 22, 1997, scientists in Scotland announce the creation of the world's first mammal to have been successfully cloned from an adult cell. Alan Colman, one of the scientists involved, describes the genetic makeup of Dolly the sheep, whose birth on July 5, 1996, had been kept a secret for almost eight months.

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Related Speeches & Audio (10)

  • World's First Cloned Sheep
    World's First Cloned Sheep

    Audio Clip (0:16)

    On February 22, 1997, scientists in Scotland announce the creation of the world's first mammal to have been successfully cloned from an adult cell. Alan Colman, one of the scientists involved, describes the genetic makeup of Dolly the sheep, whose birth on July 5, 1996, had been kept a secret for almost eight months.

    Audio Clip (0:16)
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    Study Shows Hope for Combating Viruses

    Audio Clip (5:49)

    A 1965 weekly Voice of America science report discusses a new study on interferon, a natural substance produced in the body that defends cells against viruses. Researchers at the National Institutes of Health are experimenting with ways to trigger the production of interferon in order to treat and prevent disease.

    Audio Clip (5:49)
  • Salk's Polio Vaccine Becomes Obsolete
    Salk's Polio Vaccine Becomes Obsolete

    Audio Clip (2:35)

    In a report from the Voice of America at the 1959 International Scientific Congress at Georgetown University, Dr. Albert Sabin discusses the live poliovirus vaccine he developed and compares it to the inactivated, or “killed,” vaccine first developed by Dr. Jonas Salk seven years earlier.

    Audio Clip (2:35)
  • 30 Years of AIDS Research
    30 Years of AIDS Research

    Audio Clip (0:32)

    A June 17, 2011, broadcast from the National Institutes of Health describes the many obstacles doctors still face in treating AIDS 30 years after the first reported case.

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  • Monkeys Travel to Space
    Monkeys Travel to Space

    Audio Clip (2:00)

    On May 28, 1959, in an experiment that would lead the way to manned space flight, the United States launched two monkeys to an altitude of 300 miles. A Voice of America news report details the travels of the two primates who survived the space flight and were the first in history to return safely to Earth.

    Audio Clip (2:00)
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    Swine Flu Pandemic of 2009 Causes Concern

    Audio Clip (0:14)

    The spring 2009 outbreak of H1N1, more commonly known as swine flu, in Mexico and the western United States put public health officials on alert. In an April 24, 2009, broadcast, Dr. Richard Besser from the Centers for Disease Control and Prevention expresses concern that the virus could lead to a worldwide pandemic.

    Audio Clip (0:14)
  • First American Woman in Space
    First American Woman in Space

    Audio Clip (0:50)

    Sally Ride becomes the first American woman in space when the shuttle Challenger takes off on June 18, 1983. The historical moment is noted in communication just after liftoff.

    Audio Clip (0:50)
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    On April 12, 1981, NASA launched the world's first reusable manned spacecraft. In the minutes before takeoff, Kennedy Space Center launch control communicates with astronauts John Young and Robert Crippen as they prepare to take Columbia on its first test flight into space and back.

    Audio Clip (3:00)
  • Radio Astronomy Points to Extraterrestrial Life
    Radio Astronomy Points to Extraterrestrial Life

    Audio Clip (4:21)

    In a 1960 broadcast, a Voice of America reporter interviews Dr. Campbell Wade of the National Radio Astronomical Observatory about his discoveries analyzing radio waves to see 1 billion light years into space and about the possibility of life on other planets.

    Audio Clip (4:21)
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    Voyager Spacecraft 30 Years Later

    Audio Clip (1:12)

    As the twin Voyager spacecraft prepare to embark on an extended mission to explore interstellar space in 2006, project scientist Ed Stone of California Institute of Technology recaps the major discoveries the Voyagers have made since their launch in 1977.

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