Eye-catching studies that didn't make the final cut:
The psychological benefits of indoor plants.
Wild chimps rely on cultural knowledge to work out how to reach the honey.
Past research has shown that the socially rejected are better able to distinguish real from fake smiles; this new study shows that they also show a preference for working with people expressing a genuine smile.
Animal emotions, wild justice and why they matter: Grieving magpies, a pissy baboon, and empathic elephants (great article title!)
Being reminded of death increases voter preference for candidates who are charismatic and share their political orientation.
Training in how to be an 'expert patient' might not suit everyone.
Sensitive Periods in Brain Development – Implications for Education Policy (pdf) [via @tomstafford].
Not often you hear about a negative CBT finding: 'CBT is no better than non-specific control interventions in the treatment of schizophrenia and does not reduce relapse rates'.