Tag Archives: Drawings

In a groundbreaking development, researchers have cracked a 500-year-old anatomical puzzle that was first identified by the brilliant Leonardo da Vinci. The mystery surrounds the trabeculae of the heart, an intricate muscular network that has baffled scientists for centuries. Da Vinci sketched these fine, branching structures in the 15th century after meticulously dissecting the human heart. However, it wasn’t until …

In a groundbreaking discovery, researchers have uncovered 9,000-year-old rock art that offers new insights into the relationship between ancient humans and dinosaurs. These petroglyphs, etched into rocks in Serrote do Letreiro, an agricultural site in Paraíba, Brazil, are positioned near dinosaur footprints believed to date back to the Cretaceous Period, approximately 66 million years ago. A Significant Discovery The petroglyphs, …