There you are — in bed with your partner, panting, sweaty and ready for round two. Your brain is cocked and ready to rock, but your body just... Can't. Literally. If you've ever wondered why you don't ...

If you type into a search engine - "why do men have to wait before having sex again?" - you will very quickly come across Prolactin. This little hormone is thought to be involved in hundreds of ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...