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Learning from Past Extinctions

In this talk, biologist Anthony Barnosky discusses Earth’s five mass extinctions and whether current species declines may be part of a sixth mass extinction.

Rescuing Species

In this talk, biologist Elizabeth Hadly discusses how to preserve genetic diversity that is threatened by habitat loss.

From Cancer Genomics to Cancer Drugs

In this talk, biomedical scientist Charles Sawyers discusses how genetic data reveal common mutations in cancer and can help uncover shared genetic mechanisms among different cancer types.