After a little research, he found out why Homer is such a closet mathematician. Simon Singh completed a PhD degree in particle physics at Emmanuel College, Cambridge and at CERN, Geneva.

Simon Singh takes a quirky look at five numbers that lie at the heart of some of the trickiest problems in mathematics including four, seven and the largest prime.

Explore the best of PBS science programs and science news. Video and web content from your favorite PBS shows like Nature, NOVA, and more. Animals, space and astronomy, natural history ...

Simon Singh is an author, journalist and TV producer, specialising in science and Mathematics. His latest book is "Trick or Treatment? Alternative Medicine on Trial", co-authored with Edzard Ernst ...