Discovery in Mexican Cave May Drastically Change the Known Timeline of Humans' Arrival to the Americas

Surprisingly old stone points found in a Mexican cave are the latest intriguing discovery among many to raise questions about when humans really arrived in the Americas. For most of the 20th century archaeologists generally agreed that humans who had crossed the Beringia land bridge from Siberia to North America only ventured further into the continent only when retreating ice sheets opened a…
Source: Red Lake Nation News