Assorted links

1. Iris-scanning in the fight against Indian poverty.

2. Amazing Kreskin offers to fix the fiscal cliff.

3. An Edge talk with Philip Tetlock, and pre-registration for the forecasting website.  Forecasters are needed for his very important project.

4. David Warsh on Shapley and other stuff.

5. Some catfish kill pigeons, and how good were cavemen as animal artists?