The tablet known as Plimpton 322, dated to around 1800 BCE, contains 15 rows of numbers linked to Pythagorean triples ...

Forbes contributors publish independent expert analyses and insights. John Hall covers entrepreneurial topics that help companies grow. Many attributes go into strong leadership, such as having a ...

A child walks past graffiti in New York City in 2014. New Police Commissioner Bill Bratton has made combating graffiti one of his top priorities, as part of the Broken Windows theory of policing. For ...

Google has shown the way: You can offer typical Office programs such as word processing, spreadsheets, and presentation programs online. Free of charge and with a range of functions that is completely ...

Susan Bard, MD, is a board-certified general and procedural dermatologist with the American Board of Dermatology and a Fellow of the American College of Mohs Surgery. Some of the most common skin ...