Fossilized footprints, preserved in gypsum mud that hardened over time, are estimated to be 23,000-21,000 years old. NPS / Alamy Ancient human footprints, preserved in a dry lakebed at White Sands ...
Tim Lammers has been a Forbes contributor since March 2024. Before that, Tim accumulated more than 35 years of experience as an entertainment reporter for print, online, radio and television. Tim has ...