Mireille Kamariza is shattering stereotypes about scientists

Before COVID-19, tuberculosis was the world's deadliest infectious disease. Though rare in the United States, the disease is prevalent in many parts of the world and kills millions. John Yang tells us of one scientist's journey to the discovery both of a new tool to fight TB, and of her own potential. It's part of "Breakthroughs," our series on invention and innovation.