Showing 1-4 of 4 Resources
Data PointTo study the change in diet as human populations changed lifestyles from hunter-gatherers to agriculturalists, scientists measured carbon isotopes in the collagen tissues of human skeletons from North America.
Film GuideThe following classroom-ready resources complement the film Popped Secret: The Mysterious Origin of Corn, which tells the story of how geneticists and archaeologists have come together to determine how and where corn was domesticated nearly 9,000 years ago. Also available in Spanish.
Short Film(17 min 51 sec) Where did corn come from? Genetic and archeological data point to what may seem like an unlikely ancestor: a wild Mexican grass called teosinte. Also available in Spanish.
ActivityA lesson in which students analyze graphs and data on pollen grains and fern spores to form a picture of the living landscape before and after the K-T mass extinction.
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