The food pyramid was designed to offer an easy-to-understand look at healthy eating, but for the average person it's too simplistic, vague, and sometimes way off. Here's how food pyramids work and how ...

Waterpower may have given a big lift to builders of Egypt’s oldest known pyramid, the nearly 4,700-year-old Step Pyramid of Djoser at Saqqara. Ancient architects built a hydraulic system for hoisting ...

A controversial new study has suggested that the Great Pyramid of Giza may be a lot older than we think it is. While this will certainly prick people's ears up, there are plenty of reasons to remain ...

New research has recently shaken up the long-held ideas about how the ancient Egyptians built the Great Pyramids. While the traditional belief suggests the massive stone blocks were hauled up massive ...