Skeptoid #1004: Dating the White Sands Footprints

<p>Ancient footprints in New Mexico are forcing scientists to rewrite the story of when humans first set foot in the Americas, and the debate is shaking paleoanthropology to its core.</p> Learn about your ad choices: <a href="https://dovetail.prx.org/ad-choices">dovetail.prx.org/ad-choices</a>