and some research being done on the relationship between the how we metabolize food and the colonies of bacteria that live in our intestines. goes beyong "metabolism" to theorize why some people can eat huge amounts of food and stay thin, while others eat next to nothing and still gain weight. i was absolutely riveted during my commute home last night! if you've got the time, the audio version is a lot more fun than the write-up.
fascinating article about bacteria...
