Black History Month is a wonderful opportunity to celebrate the contributions of African American scientists. So this week, we turn our focus on how their amazing work has improved peoples’ lives throughout history.

Intro theme and various sound effects by Adam Dylewski; music by Kevin MacLeod (incompetech.com); Creative Commons licensed audio from freesound.iua.upf.edu includes chip crunch by FreqMan, truck backup sound by Corsica_S, gas stove audio by WIM, buzzing fly by dobroide, yeah kids sound by Totya.