Stunning links

A good layman's overview of P vs. NP and of the recent proof that P != NP.

You probably think that venting your anger reduces your stress and prevents you from lashing out at your friends for no reason. If you do, you're wrong; venting actually increases aggressive behavior over time.

Data from almost 10,000 users of OKCupid reveal that iPhone users have 50% to 100% more sexual partners than Android users, at every age. The sample is clearly non-random though.

Andrew Gelman is angry about the soda tax. For more or less the same reasons that I am angry about it.