To avoid being identified as a pyramid scheme, many new such schemes disguise themselves through the use of other shapes, including circles, flower looms and mandalas. And instead of referring to ...

A pyramid is named by the shape of its ‘base ... A cone has a circular base and one curved face made from a sector of a circle. A sphere is completely curved, a ball shape.

What did the ancient Greeks and Egyptians call the pyramids, and what did these ancient words originally mean?

Just metres from the chalk White Horse on the slope at Milk Hill, the pattern consists of a pyramid shape within a circle, surrounded by four smaller circles. Milk Hill is common ground for crop ...

Antarctica is home to a peak shaped like a perfect pyramid — but contrary to what conspiracy theorists say, the mountain's four symmetrical faces were forged through natural processes.