Lesson Plan14:52
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Howard Hughes Medical Institute

The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture

For Teachers 8th - Higher Ed Standards
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...
Lesson Plan14:03
Howard Hughes Medical Institute

The Making of the Fittest: Natural Selection in Humans

For Teachers 8th - Higher Ed Standards
Sickle cell disease only occurs when both parents contribute the trait, and mostly in those of African descent. Where did it come from? How did it evolve? Tony Allison, a molecular biologist, noticed a connection between sickle cell and...
Lesson Plan4:03
TED-Ed

How Languages Evolve

For Teachers 9th - 12th
Do all languages have a common ancestor? Although no one yet knows the answer to that big question, the narrator of this short, animated video explains how linguists use migration patterns, geological features, and word clues to...
Lesson Plan4:38
TED-Ed

A Brief History of Religion in Art

For Teachers 10th - Higher Ed
Did you know that some languages have no word for art? The English language does and the narrator of this short video discusses the aesthetic dimension of religious art as it "visually communicates meaning beyond language." 

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