Introduction Down syndrome is an increasingly prevalent disease in the US. It is a genetic disease that is caused by an extra 21st chromosome. One in about every 800 live births has Down syndrome (National Down Syndrome Society). Down syndrome is the most common form of both identifiable retarda...

From May 11, 1918 until March 15, 1988, Richard Feynman was thinking about physics. He made many contributions both large and small throughout his life, from working on the Manhattan Project, to winning the Nobel Prize. Richard Feynman was born to Melville and Lucille Feynman in Far Rockaway, N...