Thirty years ago, Rwanda’s government began a campaign to eradicate the country’s largest minority group. This Why It Matters episode discusses how in just one hundred days, 800,000 people in Rwanda were killed, while the rest of the world sat on the sidelines.

How can the world create better medicines? More powerful solar cells? New batteries? The answers could come from a revolutionary research tool known as the quantum computer. It can seem like magic—ha…

Silicon chips are in almost all electronics, and access to them can make or break a country’s economic future. Their production relies on complex supply chains, and during the pandemic, the world lea…

Dean Acheson. Mao Zedong. Harry Truman. Chiang Kai-Shek. All were significant players during one of China’s most pivotal years.  In 1949, Mao’s Communist army swept across the country, defeating the …