Brains On! Secrets
Brains On!

If you look a little closer, listen a little harder, you’ll notice the secret life of things all around you.

Brains On! When Parasitoids Attack!
Brains On!

After a caterpillar goes into its chrysalis, you would expect a beautiful butterfly to emerge. But when this parasitoid attacks, the results are very different.

Brains On! How Do Monarch Butterflies Travel So Far?
Brains On!

Monarch butterflies are unique — they’re the only butterfly to travel thousands of miles when the seasons change.

Brains On! Why Does the Sun Make Some People Sneeze?
Brains On!

This question has been a mystery for millennia. Turns out there’s a name for the phenomenon: photic sneeze reflex.

Brains On! Cuttlefish: Ultimate Shapeshifters!
Brains On!

Find out how these amazing sea creatures use three colors, two layers of skin and papillae to make them the ultimate shapeshifters.

Brains On! Trees: From Seed to Shining Seed
Brains On!

Kids love trees. How do we know? They send us a LOT of questions about our bark-wrapped friends.

Brains On! Big Universe, Big Questions
Brains On!

Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.

Brains On! Carnivorous Plants: How They Lure, Trap, and Digest
Brains On!

Most plants get the energy and nutrients they need from water, sunlight, air and soil. But carnivorous plants get key nutrients from a different source: bugs.

Brains On! Tracking Wild Horses at Assategue Island National Seashore
Brains On!

The wild horses at Assateague Island National Seashore in Maryland are very popular, but they’re also an invasive species.

Brains On! Smash: When Continents Collide!
Brains On!

How are mountains made? What causes an earthquake? How does hot lava come bubbling up? The answer in each case is…tectonic plates!