Episode 2 | The Secret Life of Twins (1999)
Robert Winston uses the behavioural similarities exhibited by twins who were separated at birth and reunited in adulthood to examine the influence genes have in shaping personalities.Tweet
Little Hans | Mind Changers
A phobia of horses developed by a boy living in Vienna in 1904 seemed unlikely evidence for the Oedipus complex. But for Sigmund Freud, this was the proof he had been waiting for.
Genetic basis of intelligence | Discovery
Professor Robert Plomin explains the twin study method and how it is used to explore the genetic basis of intelligence