Posts by Celeste Elizabeth Albritton
"For most of human history, people had no idea how old they were
"For most of human history, people had no idea how old they were because there was no simple way to keep track of time. Or weight, or volume, or densi...
"For most of human history, people had no idea how old they were because there was no simple way to keep track of time. Or weight, or volume, or densi...