However, the food pyramid was criticized for being overly vague and confusing, and was eventually replaced by MyPlate in 2011 ...
More than 4,500 years after it was built, the Great Pyramid of Giza is still surprising scientists. In a discovery announced ...
The pyramids may have been built using a sophisticated hydraulic system, according to a new study in Egypt. Evidence of ancient Egyptians using water pressure to lift stone blocks was discovered at ...
Learn more about the Pyramids of Giza, who they were built for, and the possible methods used to complete them. The pyramids of Giza are among the oldest monumental stone buildings ever created, and ...