Reconstructions New research on Native American origins takes anthropologists down memory lane By Matt Crenson August 13, 2012 at 10:18 am - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print In school we learn that science proceeds logically from one experiment to the next, leaving in its wake a complete and certain body of knowledge. But science isn’t like that. It twists and turns, careens and tumbles and gets stuck in deep, sticky mudholes. And sometimes, science backtracks.