Human chimeras

In a world where DNA tests are concidered the gold standard, things can go wrong. In the following story, a woman was accused of not being the mother of her own children. The complication? She has a rare condition called chimerism; she carries two sets of DNA.

http://abcnews.go.com/Primetime/story?id=2315693&page=1

Psychological test

Watch the video at the link provided and tell me how many times you think the team in the white shirts passed the ball to each other. The test is how many passes you percieve the first time you view the video. Those of you know of this test, please keep the answer to yourselves until we've had a chance for others to try it.

When you're ready, click on the link below

http://viscog.beckman.uiuc.edu/grafs/demos/15.html

Shooting in Montreal

http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20060913/montreal_shooting_060913/20060913?hub=TopStories

One dead, 19 injured. Five are currently in critical condition. The shooting took place at Dawson College, located at the corner of Atwater and Sherbrooke. See the news story for details.