Sketches in Leonardo da Vinci's Codex Forster I appear to show tunnels leading from the castle. Ground-penetrating radar ...

It was barely even a sea; tectonic activity had raised a mountain range in the Strait of Gibraltar, cutting off the Mediterranean from the Atlantic. Without a constant inflow of water the sea ...

Video: You can watch the full Brain Busters 2025 finale in the video player above. Congratulations to our finalists, Manheim Township and Penn Manor, and to all the other schools that competed during ...