Yellow clay balls at Teotihuacan; megalithic tombs in the UAR; Jamestown cannibalism; lost Swedish rune stone reappears
Hundreds of little yellow balls are newest puzzle at Teotihuacan
Excavators race to salvage giant communal stone tombs in UAR
New skeletal evidence confirms starving Jamestown colonists ate their own
Swedish rune stone rediscovered after 300-year disappearance