More strange links

• Freakonomics has an interesting discussion of why some people hate meetings. Personally, I don't mind having my day broken up by them as long as they're fast and informative.
• Ever seen the disappearing head trick using the blind spot?
• An interesting law on human mortality.
• Ants make a raft out of themselves.
• Solow makes are argument that macroeconomics got off track long ago, and DeLong gives his version of what a macro class should teach these days.
• The evidence questioning the effectiveness of microfinance is growing.