While scientists agree they crossed

While ray ban wayfarer scientists agree they crossed the Bering Strait during an ice age, no one knows the identity of the first people to spread across the North American continent. For some time, these first Americans were believed to have belong to a single group, called the Clovis culture, named for the New Mexican site where their distinctive, 13,000-year-old projectile points were first found. RELATED: Are you scientifically literate? Take oakley sunglasses best quality for women online outlet 1568 our quiz! However, some have questioned this theory, and these newly discovered projectile points, the sort of stone tips added to spears, appear to add weight to these oakley sunglasses fashion best online 1572 questions.