Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Prehistoric humans ...
(CNN) — Prehistoric humans in Brazil carved drawings in the rock next to dinosaur footprints, suggesting that they may have found them meaningful or interesting, a new study has found. The rock ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback