Broadcast Outage: We're investigating a broadcast transmission failure affecting the San Luis Valley from Antonito in the south to Salida in the north. We're working to resolve this issue. You can stream our live broadcast HERE or via the RMPBS+ App.

Stream live and on-demand content now on our new app:

RMPBS+

Donate

Help tell more stories in 2026 - make a year-end gift!

Be Smart show's poster

Science and Nature

Why Are Some People Left-Handed?

Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.

Why Are Some People Left-Handed?

Season 3 Episode 3 | 5m 1s

We've got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks?

share

Be Smart

Watch more episodes

The Strange Science of the Placebo Effect

How do sugar pills really interact with our bodies?

The Surprising Places We Waste Energy

We use a LOT of energy, but we waste a lot too.

Are Dinosaurs Extinct?

Dinosaurs are alive and well today and you don’t have to go to Jurassic World to see them.

Subscribe to Our Newsletters

Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.

Set Your Preferences >