Chemical Breakdown - S2.E5

Examining molecules, compounds, and chemicals, scientists take risks on great discoveries. Carl Wilhelm Scheele uncovers the stuff of life as he tinkers with deadly substances. Rosalind Franklin gives humanity the first image of the double-helix, but her contribution seems to fall by the wayside. Against all odds, female chemist Alice Ball develops the cure for leprosy, though a twist of fate means she’ll never see its impact.