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

How to Cookie with Science

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.

How to Cookie with Science

Season 2 Episode 46 | 4m 2s

Reactions is baking up some cookie chemistry. Science can help us make that perfect chocolate chip cookie. Chocolate chip cookies are nearly universally adored. People like them in all sorts of textures, sizes and tastes. So how can you make your perfect cookie? Using science, of course. October 1 is National Homemade Cookies Day.

share

Reactions

Watch more episodes

Shedding Light on Seasonal Affective Disorder

Reactions has the chemistry to explain this disorder and some possible treatments.

Why are Tattoos Permanent?

We explore what tattoo ink is made of, why this body art is permanent.

Can Radiation Give You Superpowers?

We explain the original way the Fantastic Four got their power!

Subscribe to Our Newsletters

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

Set Your Preferences >