Neandertals had an eye for patterns
Notches on a raven bone suggests human relatives intentionally created even spacing
![Different views of raven wing bone](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/03/032917_BB_ravenbone_main_REV.jpg?fit=860%2C460&ssl=1)
CUTS ABOVE Notches carved into a raven’s wing bone by Neandertals include two that were added to create a consistent, possibly symbolic pattern, scientists say. Added notches are second from bottom and second from top in the side view of the bone.
Francesco d’Errico