Distillations is taking a look at the presidential side of chemistry. First we learn about stem cells and the controversy surrounding their research. Next we find out why 21-gun salutes are safe and not so smoky in Mystery Solved!

SHOW CLOCK

00:00 Opening Credits

00:31 Introduction

01:01 Chemical Agent: Stem Cells

03:30 Mystery Solved! Smokeless Gunpowder

06:32 Commentary: A Planet in Peril

11:05 Closing Credits

CREDITS

Special thanks to Jennifer Dionisio, Nicole Rietmann, and Jody Roberts for researching this show. Additional credits available at chemheritage.org/distillations.