Dates: 3100 B.C. to 30 B.C. Writing: Hieroglyphics, a writing system that uses pictures; hieratic, a quicker type of ... a significant civilization that people who study ancient Egyptian history ...

A 90-foot “pyramid” submerged just off the coast of Japan is turning heads — and could shake up everything we thought we knew about ancient civilizations. Sitting 82 feet below sea level ...