![Popular Science Radio show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/031/052/small/popular-science-radio.png)
Summary: In this week's Popular Science Radio Alan talks with special guest Dr. Jeffrey Gurtner, about his part in the invention of a gel glue that aids in suturing blood vessels. Other topics range from making your own gun powder to a concept car that can be driven with a joystick.