Mysterious symbols found near footprints shed light on ancient people’s awareness of dinosaurs, scientists say
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. Prehistoric people in Brazil carved drawings into rocks next to dinosaur footprints, suggesting they may have found them meaningful or interesting, a new study finds. The petroglyphs, which archaeologists call petroglyphs, are located at a … Read more