Season 5

Be Smart

20 MILLION Year-Old Spider!! Unweaving Spider Silk 🕷

S5 Ep8 | 7m 14s

Spider silk is as strong, stretchy, and resilient as even humans’ most advanced creations.

Be Smart

Inside an ICE CAVE! - Nature's Most Beautiful Blue

S5 Ep7 | 5m 45s

Where do glaciers and icebergs get their beautiful blue color?

Be Smart

The Romantic Lure of Moonlight

S5 Ep6 | 3m 46s

Many animals use moonlight and Earth’s lunar cycle to run their biological clock.

Be Smart

Asteroid Mining: Our Ticket To Living Off Earth?

S5 Ep5 | 5m 17s

Space rocks might be our ticket to building space colonies!

Be Smart

Should You Eat Everyday?

S5 Ep4 | 4m 38s

A look at the science behind intermittent fasting.

Be Smart

The Cheerios Effect

S5 Ep3 | 5m 8s

Who knew there was so much science in a bowl of cereal?

Be Smart

Why It Is What Time It Is (The History of Time)

S5 Ep2 | 5m 54s

A brief history of time…

Be Smart

Doomsday Machines

S5 Ep1 | 5m 35s

Nuclear weapons represent the darker side of E=mc^2.