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!

Reactions show's poster

Science and Nature

cn

What is an Electron?

Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.

What is an Electron?

Season 8 Episode 1 | 10m 50s | CC

You learned what an electron is in school… or DID YOU? You probably learned that it’s a “negatively charged particle” but there’s *so* much more to these weird, wild little particles than that.

share

Reactions

Watch more episodes

Time to Strike Antifreeze Off Your List of Usable Poisons

For years it was used in homicidal poisonings. We learn what made it so dangerous.

Climate Change is Affecting Hibernation Patterns of Animals

This is a deeper dive into how complicated and climate based hibernation is.

What's In "Premium" Gas?

It all has to do with the octane rating!

Subscribe to Our Newsletters

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

Set Your Preferences >