Police have so far arrested 10 people in the UK, all male, in connection with online attacks carried out by the LulzSec and Anonymous groups.

And I've met plenty of other people - dads and uncles and men without a family connection -who are trying to break the cycle and give more of our young people a strong male role model.

It is based on brain-imaging studies which suggest differences between the patterns of internal connection in male and female brains.