SCIENCE Rings of stalagmites found in a cave in France suggest that our ancient relatives were surprisingly skilled builders. (Nat Geo News) Use our resources to better understand exploration of mysterious caves. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. This 3D model of the Bruniquel cave clearly shows the different types of structures present there: annular, or ring-shaped, … Continue reading Did Neanderthals Build Stone Circles?