Science dating show
"The Cooper's Ferry site is located along the Salmon River, which is a tributary of the larger Columbia River basin.
Early peoples moving south along the Pacific coast would have encountered the Columbia River as the first place below the glaciers where they could easily walk and paddle in to North America," Davis said. Davis first began studying Cooper's Ferry as an archaeologist for the BLM in the 1990s.
They also found evidence of a fire hearth, a food processing station and other pits created as part of domestic activities at the site."This evidence leads us to conclude that early peoples moved south of continental ice sheets along the Pacific coast." Davis's team also found tooth fragments from an extinct form of horse known to have lived in North America at the end of the last glacial period.These tooth fragments, along with the radiocarbon dating, show that Cooper's Ferry is the oldest radiocarbon-dated site in North America that includes artifacts associated with the bones of extinct animals, Davis said.Chemotherapy can cause your hair to fall out and make you feel tired and sick.Delivering the chemo drugs inside nanoparticles could reduce these side effects by making sure the drug goes only to the cancer.