Access to this video is a benefit for WQED members.

Become a member

Episode Clips

The Pororoca Wave

Surfer Serginho Laus rides the Prororoca Wave, a tidal wave on the Amazon River in Brazil.

Dung Beetles on a Spinning Planet

The rotation of our planet affects many creatures, including the humble dung beetle.

More Episodes


Understand how Earth’s colors are created and what they mean.


Learn how Earth’s chemical elements transformed barren rock into a living world.


Knowing why shapes exist in nature helps us to understand forces that bind the universe.

View all episodes

Other shows you may enjoy

Physics Girl
NOVA scienceNOW
Kingdoms of the Sky
A Year in Space

Browse all shows