![150-year-old mystery of strange half-circles from Paleolithic site in France finally solved](https://cdn.mos.cms.futurecdn.net/MnHLNhmN9W9w4toP3rfHF9-1200-80.jpg)
Hurling spear-thrower projectiles at archery targets revealed that these loops may have been finger grips. The latest study proposes that the antler …
Author: Tom Metcalfe
* VIEW the article originally published here.
** MORE curations: Al Cannistra at San Antonio ONE here.