Within the genus Homo, cranial capacity again doubled from H. habilis through Homo ergaster or H. erectus to Homo heidelbergensis by 0.6 million years ago. The cranial capacity of H. heidelbergensis overlaps with the range found in modern humans.
The original height of the Pyramid was 146.5 m (488 ft), but today it is only 137 m (455 ft) high, the 9 m (33 ft) that is missing is due to the theft of the fine quality white Tura limestone covering, or casing stones, for construction in Cairo. It is still the tallest pyramid.
Menkaure's pyramid had an original height of 65.5 metres (215 feet) and was the smallest of the three major pyramids at the Giza Necropolis. It now stands at 61 m (204 ft) tall with a base of 108.5 m. Its angle of incline is approximately 51Â°20â²25â³. It was constructed of limestone and granite.