One hundred years ago, World War I ended. Even though millions of Africans had to contribute to the war effort, their sacrifice is often forgotten. Africa, too, was drawn into what was truly a world war: a conflict that changed the African continent for ever. This is the story of the First World War – told from the African perspective. | DW Africa

'I've studied nuclear war for 15 years - you should be worried' (WORTH A WATCH!) Annie Jacobsen lays out a second-by-second timeline for how nuclear war could happen. She also discusses time pressure, submarines, interceptor missiles, cyberattacks, and concentration of power. | VoteBlue