SciTech Now Episode 312

In this episode of SciTech Now, scientists are studying the axolotl salamander's ability to regenerate their limbs; Brian Hecht unveils some of the latest apps in the music industry; the company Made in Space is making a spacecraft out of asteroids; self-cleaning nanostructures that could help reduce infections; and Adrienne Bennett, the first African American woman to become a master plumber.