'First' Americans Were Not Alone

Early Americans' two-tool tech

Scientists studying how North America was first settled find stone spearheads and darts in Oregon, US, that date back more than 13,000 years.

• Americas 'settled in three waves'
• Old American theory is 'speared'

Stone points found in an Oregon cave suggest a whole group of people existed at the same time as the Clovis. Read more