The Truth About Fat

Scientists are coming to understand fat as a dynamic organ—one whose size may have more to do with biological processes than personal choices. Explore the mysteries of fat and its role in hormone production, hunger, and even pregnancy.

PBS’ premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

NOVA Episodes

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Eagle Power

Follow eagles from the nest to the skies to see what makes these predators so remarkable.

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Decoding COVID-19

Scientists race to understand and defeat the coronavirus behind the COVID-19 pandemic.

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Cuba's Cancer Hope

Can Cuba's innovative lung cancer vaccines give new hope to patients across the world?

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Mysteries of Sleep

Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?