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Africa's Savanna Ecosystems

In this talk, ecologist Robert Pringle discusses how patterns and processes that occur in the savanna, a globally important biome, illustrate core concepts in ecology.

Rescuing Species

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

Cancer as a Genetic Disease

In this talk, biomedical scientist Charles Sawyers discusses how understanding the mutations that cause cancer can guide the development of targeted drug therapies.