Why do we behave differently when we are in a large crowd?
Curfews, battles in Tahrir and angry speeches from the president. What year is it again?
New research shows early treatment of patients reduces the risk of transmitting HIV virus
Sunita Thakur explores the rich tradition of female goddesses in Hinduism.
Veteran equality campaigner Lord Ouseley on tackling racism in football
We hear reaction to death of US Sniper Chris Kyle shot dead at Texas shooting range.
What is your reaction to Europol's investigation into extensive match-fixing worldwide?
Tuesday 5 February 2013