Mathematical disciplines began in antiquity with the Babylonians and with Hellenistic writers such as Archimedes and Ptolemy. During the classical period in Greece (6th, 5th and 4th centuries BCE) natural philosophy slowly developed into an exciting and contentious field of study.
Ancient Egyptian mummification was never intended to preserve bodies, new exhibit reveals | Live Science
It's long been believed that mummification was meant to preserve the dead. It turns out that notion is dead wrong.