Idaho projectile points are the oldest in North America; very ancient use of bear skins; precious Australian rock art defaced; artifacts recovered from lost Canadian Arctic exploration ship
New projectile points from Idaho date 3,000 years before Clovis points
Humans have used bear skins for blankets for at least 300,000 years
Sacred Aboriginal cave art destroyed in Australia
Wreck of the Erebus yields artifacts documenting the lost Arctic exploration ship