During the spring, as thunderclouds form and twisters charge across the Kansas plains, you can find Dr. Jason Persoff in his 2014 Kia Sorrento. He also solves medical emergencies at University of Colo...

Each snowflake that tumbles from the sky this time of year is a one-of-a-kind. One amateur Colorado photographer, who is also a physician, is on a mission to capture one-of-a-kind images of them.