Once again, a mastodon teaches us about humanity.
"An Ice Age site in San Diego, Calif., preserves 130,000-year-old bones and teeth of a mastodon that show evidence of modification by early humans. Analysis of these finds dramatically revises the timeline for when humans first reached North America, according to new research."
More: https://goo.gl/jERzbO https://mastodon.technology/media/q6nUQ5nNzwgb6FAyqmE