The head of a research institute on substance use disorders explains their biological and social causes and courses.

A genetic scientist learns his twin brother is ill from alcoholism and travels through the Canadian Rockies to visit him in hospital, along the way explaining epigenetics to the camera operator and comparing it to the scenery. Awesome short documentary.

A neuroimaging study in twins found more similarities in brain activity compared to a control group.

What’s new in stem cell research for Huntington’s disease.

Circadian rhythm disturbance and bipolar disorders: researching the connections.

Big issues in neuroethics.

Epigenetics explained.

Social neuroscience explained.

Y2K predictions about how to predict personality with technology.

An edition of brain blog carnival Encephalon with bonus videos.