The rise and fall of the Inca empire – Gordon McEwan

Please rate. From TED Ed. Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-inca-empire-gordon-mcewan It was the western hemisphere’s largest empire ever, with a population of nearly 10 million subjects. Yet within 100 years of its rise in the fifteenth century, the Inca Empire would be no more. What happened? Gordon McEwan details the…

The myth of Arachne – Iseult Gillespie

Please rate. From TED Ed. Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-arachne-and-athena-iseult-gillespie From sailors who were turned into pigs, nymphs that sprouted into trees, and a gaze that converted the beholder to stone, Greek mythology brims with shape-shifters. The powerful Gods usually changed their own forms at will – but for mortals,…

Why is NASA sending a spacecraft to a metal world? – Linda T. Elkins-Tanton

Please rate. From TED Ed. Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-nasa-sending-a-spacecraft-to-a-metal-world-linda-t-elkins-tanton In 2026, an unmanned NASA spacecraft is scheduled to arrive at 16 Psyche, a massive, metallic asteroid floating somewhere between the orbits of Mars and Jupiter. Why is NASA so interested in this heavy metal asteroid? Are we going to…

The myth of Oisín and the land of eternal youth – Iseult Gillespie

Please rate. From TED Ed. Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-oisin-and-the-land-of-eternal-youth-iseult-gillespie In a typical hero’s journey, the protagonist sets out on an adventure, undergoes great change and returns in triumph to their point of origin. But in the Irish genre of myth known as echtraí, the journey to the otherworld ends…