visual illusions site

the visual illusions we examined in class and more are available at:
http://www.michaelbach.de/ot/index.html

Take the "full tour" to see them all.

Happy Valentine's Day

The Battle Creek zoo is conducting Animal Sex Tours for today's celebrations

The evolutionary physiology/chemistry of kissing

Happy Valentine's Day
An interesting paper being presented today at the AAAS meeting in Chicago is described at
http://www.reuters.com/article/lifestyleMolt/idUSTRE51D1MM20090214

Oxytocin has been implicated in social bonding and attraction and cortisol is a strees hormone.