Announcing a new kind of Angel Investmen... Today, Rafe and I launched new angel fund aimed at for-profit social entrepreneurs. It’s called Presumed Abundance and it’s going to make people think about what it really means to invest in people. Have a look. Let us know what you...

Why I Take Vitamins, and Why You Might W... Rafe has posted about his aversion to supplements. I’d like to offer an opposing point of view, with some personal anecdata behind it. I’m a 42-year-old woman, 5’1″, and 113 lbs.. I work out 3x/wk. (cardio and weight training) and walk an average of 4 miles/day. Like Rafe, I am a...