Part 8/21:
He shares insights from excavations by Jack S. Mars and Al Gudyer, whose findings were ridiculed for suggesting humans may have been present over 50,000 years ago—long before the accepted date. More astonishingly, in 2017, Nature published evidence of human artifacts dating to 130,000 years ago—not in Europe or Africa, but in the Americas—specifically tools cracked into mastodon bones, indicating sustained human activity.