VIDEO: The Death of the Dinosaurs: 27 Years Later - UCSD-TV - University of California Television
The Death of the Dinosaurs: 27 Years Later
Date: 10/3/2006; 55 minutes


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Rich Muller, a Berkeley Lab physicist, discusses Nobel laureate Luis Alvarez and colleagues' 1979 discovery that an asteroid impact killed the dinosaurs. He also discusses what scientists have learned in the subsequent 27 years. Alvarez's team detected unusual amounts of iridium in sedimentary layers. They attributed the excess iridium to an impact from a large asteroid. (#11829)

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K-12 Educational Standards

Standards for Grade(s): 9-12

Biology/Life Sciences

Ecology

Earth Sciences

Biogeochemical Cycles

Earth Sciences

Earth's Place in the Universe

Earth Sciences

Energy in the Earth System

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