Neanderthals’ cognitive abilities are a hotly debated topic, but a bird bone fragment found at a Middle Paleolithic site in Crimea, Ukraine, features two notches that may have been made by our extinct cousins intentionally to display a visually consistent pattern, according to a new study. The raven bone fragment from the Zaskalnaya VI rock shelter. Scale bar – 1 cm. Image credit: A. Majkic et al, doi: 10.1371/journal.pone.0173435. The bone...