In this weekly series, LiveScience examines the psychology and sociology of opposite human behavior and personality types. Do you know what "abecedarian" means? What about the solution to 250 x 11? Most people would agree they are better at verbal or math subjects in school, as grades usually do attest.Read More →

Or, as the British press put it, they "become less bitchy" because once they hit 50 they "are more likely to warm to other females because they no longer see them as rivals." The British press don't mince words. The study was rather small, however, so don't read too muchRead More →