The first humans that supposedly made their way from Siberia to North America via Alaska probably struggled through the perilous journey some 1,500 years earlier than previously thought, suggest artifacts recently retrieved from an underwater sinkhole. A stone knife, mastodon bones, and other findings taken from a sinkhole in the Aucilla river, the so-called Page-Ladson … Continue reading New artifacts suggest first humans colonized southeastern US 1,500yrs earlier than thought