Amateur cave explorers in South Africa's famous Cradle of Humankind World Heritage Site recently made a remarkable discovery: exquisitely preserved remains of a previously unknown evolutionary human ancestor. This new species, dubbed Homo Naledi, has some very strange physical features, and the location of their remains raises even more intriguing questions. Jeff is thrilled and perplexed by the nature of the find, while Anthony is pretty sure they's aliens.

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Today’s story was submitted by Lisa Fountain: http://www.iflscience.com/editors-blog/newly-discovered-human-ancestor-likely-ritualistically-disposed-its-dead

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