What if Everyone Lived in Just One City?

What if everybody in the world, all 7.4 billion of us all lived together in the same city? How big or small would this city have to be and how close together or far apart would we all be living from each other?






Accidental Discoveries That Go Boom

Chemistry usually involves precise measurements and careful testing in order to get significant results. But a bunch of notable discoveries happened by accident.






Long Term Parking

An airport parking lot in Los Angeles has become an improvised village of airline workers.