Thousands of people around the world claim to have directly experienced contact with extraterrestrials and in many cases to have been abducted by aliens and taken on board spaceships and subjected to medical examination. How are we to explain such claims? With a few notable exceptions, those making such claims do not appear to be […]
The Greenwich Prime Meridian: Jessica Norris explains the history and science behind this special landmark
Why does Russia have 11 time zones while China has just one? Peter Sherman investigates the history, politics and technology behind some of the world’s most incongruous ways of telling time.