The Borgia family have become a byword for evil. Corruption, incest, ruthless megalomania, avarice and vicious cruelty - all have been associated with their name. But the story of this remarkable fami
In 1869 Russian scientist Dmitri Mendeleyev was puzzling over a way to bring order to the fledgling science of chemistry. Wearied by the effort, he fell asleep at his desk. What he dreamt would fundam
