What brings people out into the streets to take direct action against the powerful?
Celebrating the 100th edition of The Why Factor
Why do people have gardens and do gardening?
Why do we like to gossip – and is it good for us?
Why do so many people claim to see ghosts?
Associated with morality, modesty, politics and religion why is chastity so complicated?
Why do we go on pilgrimages?
Why do we go on long walks? Mike Williams finds out
Why has the moon fascinated humans from every culture and for all time?
Why do we say sorry – and what do we really mean by it?