I use Google Analytics for site statistics, and I have for some time suspected that not all was right with the numbers. Today I am certain.
Yesterday, almost 130% of all visits here were by people who had not visited before. In other words, for every 10 visits by someone (perhaps the same person more than once) 13 visits were first timers.
Science books for 14-year-olds
59 minutes ago in The Curious Wavefunction