trepanation
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Why In The World Did Ancient Humans Perform Brain Surgery On This Cow?
Humans have been drilling holes into each others’ heads for thousands of years, and, surprisingly, we’ve actually been pretty good at it, even way back when. A re-analysis of a 5,000-year-old cow’s skull suggests humans were performing cranial surgery on animals as well – but why would they even bother? The answer could yield new…