links for 2007-11-05

How... distressingly sensible. Where's the train wreck I've come to expect from SFWA?

"[T]he Birthday Unparadox: 'If you put three people in a room, chances are no two of them will have the same birthday.'"

"A two-year study of college students at The Pennsylvania State University (PSU) proves that students learn better and develop higher-level skills by participating in cooperative (team) activities, compared to traditional classroom teaching methods."

70 fT from a room-temperature sensor using alkali metal vapor.