Peru archeologists find mummy up to 1,200 years old

Archeologists in Peru working on a site in the outskirts of the capital Lima have unearthed a mummy believed to be between 800 and 1,200 years old—and, surprisingly, bound with rope.

The financial dangers of echo chambers

As ongoing revelations about Facebook's algorithm are showing, social media's ability to shape our attitudes by steering users into echo chambers is raising questions about our national discourse and drawing increasing attention ...

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