The skin of what type of animal is used to treat burns?
Fish skin, usually from Atlantic cod or Nile tilapia, has anti-inflammatory and anti-bacterial properties that support healing of some wounds including burns and diabetic foot ulcers.
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- Who performed the first full-body MRI scan?
“Raymond Damadian performed the first full-body MRI scan of a human in 1977.”
Reference: Smithsonian National Museum of American History
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Who won the Nobel Prize for MRI?
Paul Lauterbur and Peter Mansfield won the 2003 Nobel Prize for MRI.
How did the Louisiana Purchase change the size of the US?
In 1803 the US bought the Louisiana Territory from France for about $15 million. The deal roughly doubled the size of the country.