Eye-catching studies that didn't make the final cut:
Women in the fertile phase of their menstrual cycle prefer bigger pupils - the kind found in eyes, not schools.
Belief in an essentialist ("ethnic") definition of nationality is linked with negative attitudes towards immigrants.
CBT for psychosis failed to show any advantage over treatment-as-usual when tested in actual routine practice.
The legacy of patient HM for neuroscience.
Tests for babies that predict their IQ in childhood.
A meta-analysis of studies into the effectiveness of psychological treatments for social anxiety.
The Lost Email technique: a way to uncover people's hidden discriminatory attitudes.
Abused children show an enhanced ability to recognise the facial expression of anger.
Gratitude linked with superior wellbeing, even after factoring in the influence of personality.
Suicide is more common in countries with lower average self-esteem.