A lot of people believe that the Pyramids of Giza were built by slaves. And if they didn't think they were built by slaves, they think they were built by aliens. I've made this video to tell you that ...
Whoops, humans made a space barrier around Earth Why Elon Musk says saving for retirement will be 'irrelevant' in the next 20 ...
Sam Kean has gone back in time, at least in practice, for his new book "Dinner with King Tut." He talks with NPR's Ayesha Rascoe about "experimental archeology" and learning about ancient cultures.
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