Humans have depended on fire for millennia, but do we fully understand the impact it has had on our diet? When our hunter-gatherer ancestors learned to harness this tool, it ignited a culinary and cerebral revolution believed to be one of the most important factors in our evolution.
In the final part of the series Bettany Hughes recalls the time that marked Rome's symbolic break with its 1,000-year pagan past - the day in 337AD that Emperor Constantine the Great was baptised a Christian. It was a moment of profound significance not just for the empire, but for the history of the world and one of its major religions. Constantine was one of the last great Roman emperors to rule over a united empire, giving it a new capital - Constantinople, today known as Istanbul - a city which would one day eclipse Rome as the greatest city on Earth.
Constantinople was a part of the Roman Empire, then became the seat of the Byzantine Empire and then was the imperial city of the Ottoman Empire. Here is the story of the fabled city and its history of power and conflict through the ages.
Where and when does the history of Europe begin? The traces lead to ancient Greece, more precisely to Crete: Here we not only found the first high culture of the continent, but also the founding myth, to which it owes its name: the kidnapping of the princess Europa by the Greek god Zeus.