mating

Hormones are no longer responsible just for teenage angst and questionable food cravings; new research shows these temperamental chemicals also dictate the type of person to which you are attracted. In the first study of its kind, Drs. Ben Jones, Lisa DeBruine, and Lisa Weeling at the University of Aberdeen demonstrated that hormones play a key role in determining who you are attracted to at any given time.

UC Berkeley scientists have found a species of octopus whose members flirt, hold "hands", and ward off rival suitors as part of a complex mating ritual. Previously, researchers thought octopuses were fairly boring on the dating front, and didn't engage in complex behavior (which would be kind of a bummer, given that both male and female die not too long after mating). But the new work, published in Marine Biology, reveals that these slinky creatures have got their own moves.