> a cave environment just like the ones our hominid ancestors preferred to dwell inside While it's known that some of our ancestors were cave dwellers, it's un

> a cave environment just like the ones our hominid ancestors preferred to dwell inside While it's known that some of our ancestors were cave dwellers, it's unclear how common this was, and how much it was a preference (vs., say, a last resort). The problem is that there's a massive selection bias towards finding remains in caves because they're preserved so much better than those that are more exposed to elements.