A British man hunted down his wife's alleged rapist on Facebook then beat him up before convincing her to report the alleged crime, according to the Telegraph. The man apparently used Facebook to speak to friends and find 27-year-old grocer Andrew Marsh,...

The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. And considering humans lose roughly 40,000 skin cells per hour, how do these markings last? Claudia Aguirre details the different methods, machines and macrophages that go into making...