Proving a negative

Here's a professor of philosophy who claims it is possible to prove a negative:
Proving a Negative

Why there's no soul.

A really, really good article about the soul, and its nonexistence:
A Ghost in the Machine

One of my favorite references dealing statistically with the effects of religion on society is this: Cross-National Correlations of Quantifiable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies.

Now there's a follow-up study here: The Chronic Dependence of Popular Religiosity upon Dysfunctional Psychosociological Conditions.