You don't need aliens to make history interes...

Philosopher Meghan Sullivan and space architect Ariel Ekblaw don't usually work at the same altitude ... but put them in a room together, and they'll answer the big questions. Drawing on wisdom from Aristotle to astronauts, they discuss what humans inherently owe each other, what ...  Show more

TED Fellow Ryosuke Takashima is the youngest-ever mayor in Japan's history — but he doesn't consider himself a politician. His approach to leadership is simple: listen to as many voices as possible (from students to elders) in order to figure out what needs fixing. Hear why he th ...  Show more

Archaeologist Sarah Kurnick illustrates why some misconceptions about humanity’s past perpetuate racist and xenophobic notions of history and culture. This talk was filmed at TEDxMileHigh. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ...  Show more

Have we been visited by aliens with hints spread throughout history and even in modern times? Link to unclassified information (pdf) can be found by clicking here. 

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The ancient world proved itself capable of remarkable feats of construction. Thousands of years later, historians and archeologists are still unsure of how such marvels were constructed. As our understanding of the capabilities of ancient empires as grown, so has the suspicion th ...  Show more

Fragments of a map from the 1500s sparked a theory that’s been going strong for decades. It holds that extraterrestrials have been visiting Earth for thousands of years, gifting humans with advanced tech far beyond our means. Today we investigate the mysteries that make aliens ...