Over the past few weeks, I’ve writ­ten about sev­er­al dif­fer­ent ways that a blind per­son can read. We’ve talked about Braille and how it brings a lev­el of ac­ces­si­bil­i­ty that au­dio alone ...
The world’s oldest surviving rock art is a faded outline of a hand on an Indonesian cave wall, left 67,800 years ago.