Archive for February, 2008

Will Power

13Feb08

Now you have an excuse for why you can’t seem to stay on a diet. If this paper is right, the drop in blood glucose levels caused by dieting erodes your self-control and increases the likelihood, as your diet progresses, that you fail to follow it.
The authors designed nine different experiments to test each of [...]


Just read a speculative commentary by Stephen Stearns on whether the human species is ’stalled’ in a possible transition towards group-level selection as the dominant selective force.
First, Stearns makes the case for the existence of such a transition. For non-social animals, selection happens mostly at the individual level: traits of individuals are selected for/against on [...]