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Eagle Power

Eagles dominate the skies. But what makes these predators so special? Researchers study one special bird—and stunning up-close footage reveals her exceptional strength, eyesight, and flying skills. With intimate access to a new bald eagle family, NOVA takes you into the nest to witness the drama of chicks struggling to survive.

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

Nature's Fear Factor

Can bringing predators—and fear—back into an ecosystem help restore its natural balance?

Cat Tales

Goddess, demon, house pet? What does science say about the human relationship with cats?

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