Episodes

Could the source of the deadliest viruses hold the secret to a healthier and longer life?

Discover how a secret biological code has shaped nature’s battleground.

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

Explore the buried clay warriors, chariots, and bronze weapons of China's first emperor.

Deep in the ocean, animals that flash, sparkle, and glow use light to survive in the dark.

Will future asteroids trigger massive extinctions—or be mined for precious minerals?

You’ve been there: An action as simple as giving your child the wrong snack is an injustice worthy of waging war (and in this case, “war” is a tantrum).