Desktop Tower Defense! OMG! Little... things... are invading your desktop! How can you defend yourself? The answer is towers! Flash Tuesday. more inside

Williams syndrome. The low I.Q., however, ignores two traits that define Williams more distinctly than do its deficits: an exuberant gregariousness and near-normal language skills. Williams people talk a lot, and they talk with pretty much anyone. They appear to truly lack social fear. Indeed, functional brain scans have shown that the brain’s main fear processor, the amygdala, which in most of us shows heightened activity when we see angry or worried faces, shows no reaction when a person with Williams views such faces. It’s as if they see all faces as friendly. (From the NYT Magazine.) (Be sure to check out the embedded video.)

Curious birthday George Tracicle's birthday is July 27. more inside