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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Secret Mind of Slime

Meet slime molds: the brainless blobs that can learn, make decisions, and navigate mazes.

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Gene-Editing Reality Check

CRISPR gene-editing technology is advancing quickly. What can it do now—and in the future?

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Human Nature

We can now edit the human genome with a tool called CRISPR. But how far should we go?

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Eagle Power

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