Insulin Signaling and Dietary Restriction Differentially Influence the Decline of Learning and Memory with Age. I'd be curious what people who practice dietary restriction would say (I know many scientists do this, so it isn't just quacks). Spicing the Meat Also Cuts the Cancer Risk, Research Suggests. Spicy foods have antioxidants. Punishing Cheaters Promotes the Evolution of Cooperation. The big long-term issue is how to explain complex societies from their basic atomic units and elementary dynamics. Why Science Journals Need to Move to Online Only Publishing. Fair enough, but sometimes the constraints of a print format do impose some discipline. Massachusetts: Student Accused of Faking His Way Into Harvard. Sounds like a sociopath, though perhaps a touch on the arrogant and dumb side.