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The Day the Mesozoic Died

This film tells the story of the scientific quest to explain one of the greatest, long-standing scientific mysteries: the sudden disappearance of the dinosaurs at the end of the Cretaceous period.

Ubiquitin and the Proteasome

This animation shows how proteins in the cell are tagged for disposal by ubiquitin and then degraded by the proteasome.

X Inactivation

This animation shows how X chromosomes are randomly switched off in most female mammals.

Asexual vs. Sexual Reproduction

This video provides a demonstration of differences between sexual reproduction, which involves recombination through meiosis, and asexual reproduction, which does not.