english: If you go back 50,000 years to the Paleolithic era, to the early days of Homo sapiens, what we find is that the world was filled with danger, all of these forces working very, very hard to kill us.
non_english: Keď sa vrátime o 50-tisíc rokov späť do praveku, kde sa objavil Homo sapiens, zistíme, že svet bol plný nebezpečia. Všetko nás chcelo zabiť.