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This video follows an international team of researchers as they collect data to map migratory bird populations in the US and Mexico.

This film begins with phenomena linked to climate change and then examines how Earth’s temperature is controlled, how we know it is changing, and how the current changes compare to those over the last 800,000 years.

In this video, ecologist Tony Sinclair takes us through the steps of how he uncovered that the eradication of an infectious disease in cattle led to a boom in the Serengeti’s buffalo and wildebeest numbers.

This film explores the foundational research in the Serengeti National Park, Tanzania, that uncovered many of the ecological principles that govern how animal populations and communities are regulated.

This video follows the work of scientists conducting the first census of African savanna elephants in over 40 years and the methods they are using to obtain accurate, up-to-date numbers across the continent.

This video describes the technology of metabarcoding, which allows scientists to determine herbivore diets based on the sequences of plant DNA extracted from animal dung.

This animation shows how disrupting cellular processes in the intestines can lead to colon cancer.

This animation explores how carbon enters the atmosphere and can be removed through a series of chemical reactions.

This animation provides an overview of the greenhouse effect, a process that warms the atmosphere and surface of Earth.

This film explores the genetics and evolution of lactase persistence in humans.

This animation shows how human infants can digest milk using the enzyme lactase.

This animation shows how the PPAR-gamma receptor can activate fat storage and changes in hormone levels.