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
Sharks Unknown with Jasmin Graham show's poster
Science and Nature
Sharks Unknown with Jasmin Graham

Can Sharks Really Smell Blood From a Mile Away?

Shark scientist Jasmin Graham travels to shark hotspots in North America to interview her scientist peers and research collaborators. Jasmin and her guests investigate little-known shark species and use cutting-edge technology to solve mysteries about shark biology and ecology. This series showcases the next generation of shark scientists who exemplify the growing diversity in shark science.

Can Sharks Really Smell Blood From a Mile Away?

Season 1 Episode 5 | 14m 51s | CC

Learn more about how shark noses work and how natural chemicals found in ink produced by their prey could unlock the secret to the ultimate shark repellent.

Sharks Unknown with Jasmin Graham

Watch more episodes

See more
See more
Funding for SHARKS UNKNOWN WITH JASMIN GRAHAM is provided by the National Science Foundation.

Subscribe to Our Newsletters

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

Set Your Preferences >