Why do smart speakers get facts wrong?

Have you ever turned to a smart assistant on your phone or a speaker to catch up on the progress of a big sports match? During the Women's Football World Cup one popular device failed to recognise the women's semi-final as a football match. We explore why, and other biases that exist in AI. We also answer another listener question to explore AI in drug and vaccine discovery, and meet the people in Malaysia and Japan who are among Wikipedia’s top editors. (Photo by Cameron Spencer/Getty Images: Goal picture from the World Cup semi-final match between Australia and England at Stadium Australia on August 16, 2023)