Archaeologists in Wisconsin unearthed something that doesn’t match the accepted Ice Age timeline. The discovery, pulled from layers of sediment that should remain untouched for another ten thousand years, has scientists questioning everything they assumed about when humans first arrived in North America.
In 1964, a contractor cutting a drainage ditch through a marshy field in Kenosha County, Wisconsin, struck a large bone buried in the mud. The bone was a mammoth femur, and the farmer who owned the land, Frank Schaefer, allowed a local amateur archaeologist to document the site before donating the remains to the Kenosha Public Museum. For more than two decades, the bones sat in storage as an unrem…