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Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Khan Academy
Khan Academy: Us History: 1945 1980: John F. Kennedy as President
Read about the election, presidency, and assassination of President John F. Kennedy.
Khan Academy
Khan Academy: Us History: 1945 1980: The Growth of Suburbia
Learn about Levittown and housing benefits for veterans.
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