TIL that for years, scientists didn't know what caused mysterious cave networks in South America. In 2010, they learned that the caves were actually tunnels dug by ancient giant sloths.

agosto 29, 2019

TIL that for years, scientists didn't know what caused mysterious cave networks in South America. In 2010, they learned that the caves were actually tunnels dug by ancient giant sloths.

TIL that for years, scientists didn't know what caused mysterious cave networks in South America. In 2010, they learned that the caves were actually tunnels dug by ancient giant sloths. http://blogs.discovermagazine.com/crux/2017/03/28/paleoburrows-south-america/#.XWgMtpNKjjD Sugarberg August 29, 2019 at 02:43PM

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TIL that for years, scientists didn't know what caused mysterious cave networks in South America. In 2010, they learned that the caves were actually tunnels dug by ancient giant sloths.

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