current affairs and causes on Persistence

David Letterman’s old late-night segment “Will It Float?” once inspired our staff to fill a huge water tank, place it at the front of an auditorium, and ask three thousand people to vote which of a se...

If we want to connect with people, we can be like the census taker who had driven many miles down a remote country road to reach a mountain cabin. As he pulled up, a woman sitting on the porch yelled ...

Have you ever wondered how people keep elephants, whether at a circus or as means of transport throughout Asia, from throwing off their shackles and marching to their own tune? A single metal chain is...