Adam Hart-Davis

In this extract from his book Fibonacci's Rabbits, presenter and writer Adam Hart-Davis explains the 'Infinite Monkey Theorem': whether infinite monkeys on infinite typewriters could eventually type out the works of Shakespeare.

Some go to great lengths to understand the world around us – here are three extraordinary experiments from the history of science.

There have been some incredible psychology experiments over the course of history - here are three of the most extraordinary.