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+

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

Give Now
Serving Up Science show's poster
Food
2019
Serving Up Science

What’s the buzz about caffeine? | Serving Up Science

Serving Up Science is hosted by history buff, science writer and foodie Sheril Kirshenbaum, who will give you science-backed tips to make your favorite foods even better. Farmed or Wild? Why does cheese stink? Why should meat rest? Explore these questions and more.

What’s the buzz about caffeine? | Serving Up Science

Serving Up Science Episode 304 | 7m 22s | CC

An estimated 2.25 billion cups of coffee are enjoyed worldwide per day. What does caffeine do to our bodies that makes us perk up and give us a mood boost? More than you might realize! Discover the chemistry of caffeine and why it’s the world’s most consumed psychoactive substance. Sheril is joined in the kitchen by David Lowry, evolutionary plant biologist and self-proclaimed coffee addict.

Serving Up Science

Watch more episodes

See more
See more

Subscribe to Our Newsletters

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

Set Your Preferences >