On this week's show: What South Koreans make of North Korean nuclear threats, a community mourns the murder of a teacher at a Pakistani girls' school, and a man tells his young son he's discovered the secret to human life. Also, flying doctors and sharing food.
Produced by Kate Laycock, Nancy Isenson and Thomas Schmidt
A German filmmaker's quest to convince Westerners to swap the food they don't need.
Report: Emma Wallis
What do you do in an emergency when the nearest ambulance is 500 kilometers away? In rural Australia, you call the flying doctors.
Report: Maeve Frances
In 1953, Francis Crick and James Watson discovered the first correct double-helix model of DNA structure - that is, the genetic blueprint for life as we know it. Crick wrote about it in a letter to his then 12-year-old son Michael, which - along with Crick's Nobel Prize - is up for auction next week.
Report: Ashley Byrne
A community mourns the murder of a teacher who dared to work at a girls' school in north-western Pakistan.
Report: Malik Ayub Sumbal
North Korea's new leader, Kim Jong Un, has threatened the United States with nuclear strikes though the country is out of range of Pyongyang's missiles. South Korea, however, is in range, but people there are anything but worried, says Seoul correspondent Jason Strother.
Interview: Kate Laycock and Nancy Isenson