If so, the almost complete cow skull could provide the earliest known evidence for such an activity. (seeker.com)
Is that a hammer made out of a giant bleached cow skull I see being wielded with destructive, delightful precision? (thatvideogameblog.com)
A previously excavated cow skull from a roughly 5,400 - to 5,000 - year - old settlement in France contains a surgically created hole on the right side, a new study finds. (sciencenews.org)