There’s a lot of debate about what killed off the woolly mammoths. Some scientists believe climate change was to blame; some say bone disease. Others point to human hunters. The cause of the species’ extinction remains unknown, but the cause of one mammoth’s death is plain as day. In a paper published today in the journal Science, archaeologists say the injuries they found on a woolly mammoth skeleton in Siberia suggest that humans were there 45,000 years ago.

Read more: Injuries on Mammoth Skeleton Put Humans in the Arctic 45,000 Years Ago | Mental Floss UK