Cro-Magnons entered an Ice Age Europe already inhabited by Neanderthals. They made sophisticated tools, created remarkable art—and eventually became the dominan

Cro-Magnons entered an Ice Age Europe already inhabited by Neanderthals. They made sophisticated tools, created remarkable art—and eventually became the dominant human population. But what really separated them? [▻](https://video.twimg.com/ext_tw_video/2102542270167965696/pu/vid/avc1/576x1024/gUnq…