We are all familiar with the Neanderthals, our fellow hominins who faced extinction about 40,000 years ago. However, few know that our ancestors were just one of many “human” species that existed.
In addition to the neanderthals, we shared a planet with the Denisova Hominin and the recently discovered Homo Naledi and Homo Floresiensis. It isn’t entirely clear why our species was the sole survivor of extinction, but theories include climate change, our capacity for creativity, our penchant for complex social structures, and just plain luck.
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Photo Credits / Sources:
By Chris Stringer, Natural History Museum, United Kingdom [CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)], via Wikimedia Commons