Other eye-catching studies that didn't make the final cut this fortnight:
When we find things disgusting, is it because they remind us of our vulnerability to death?
The relationship between a psychotherapist's personality and their choice of therapeutic orientation.
Frequent web-based banner ads can have a positive effect on our feelings, even when we don't notice them.
Trying to uncover the reasons why (in extremely rare cases) some mothers murder their own children.