3.5K views · 445 reactions | The history of UFO sightings in North America goes back nearly 80 years. Explore the timeline of some of the most famous sightings and listen to testimonials from witnesses and the experts who dedicate their careers into uncovering the mysteries behind them. Solve the unknown in the brand new series, UFOs: Investigating The Unknown, Tuesdays at 8pm on National Geographic UK. | National Geographic UK | Facebook

14K views · 166 reactions | Millets are nutritious, can thrive on poor soils, resist many crop diseases, and are resilient to adverse climatic conditions. By unleashing their potential, we can:  Improve smallholders’ livelihoods  Boost economic growth  Help ensure food security and nutrition for all What’s your favourite millets recipe? Tell us in the comments  | Food and Agriculture Organization of the United Nations (FAO) | Facebook