Tales about the Bermuda Triangle (also known as the Devil's Triangle), a region in the western part of the North Atlantic Ocean where a number of aircraft and ships are claimed to have disappeared ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

CRYSTAL pyramids have been found beneath the Bermuda Triangle and could be responsible for ships and planes disappearing, it has been claimed. Giant pyramids “three times the size of the Great Pyramid ...

The volume of a 3D shape is the amount of space inside it. Volume is measured in cubic units such as cm³ and m³. The volume, or capacity, of liquids is measured in millilitres or litres. The surface ...

One of the most iconic and awe-inspiring structures of the ancient world continues to mystify historians and archaeologists. This square-based pyramid, like most pyramids, has been thought to have ...

For decades, sailors feared the Bermuda Triangle – known for a series of mysterious incidents such as the sinking of a Navy cargo ship in 1918. A new report that scientists have just found two massive ...

Built during a time when Egypt was one of the richest and most powerful civilisations in the world, the pyramids are some of the most extraordinary man-made structures in history. The Great Pyramid in ...