Tumble (a small one)

The Calculus of Caffeine Consumption.

Foiling a robber with kindness. We need more false-positive-okay security systems like this.

Horseradish-Onion-Garlic dressing

Sauteé ½ small onion and 5 cloves of garlic until brown.

Blend with ¼ cup mayonaise, ¼ cup buttermilk, a teaspoon or two of prepared horseradish, and a tablespoon of soy sauce.

Let stand at least 4 hours in the refrigerator.

[Exist DB](http://exist-db.org/), an open source XML database. I still say that's a sick idea.