- Edzard Ernst: What is (and what isn’t) clinical evidence, and why is the distinction important?
- Matrix Ping Pong (via Richard Wiseman)
- A priest joke (via @KeinGott)
- First great photos of the last Space Shuttle launch at The Big Picture.
- Winner of the Best Visual Illusion of the Year Contest 2010 (via Mathlog)
(Something was embedded as Flash object here. Not exactly sensible anymore.)