Learn what the rocks in Iceland tell researchers about climate conditions at the time of the Roman Empire's collapse.

"They were taking videos and pictures of him when they were being transferred to New Mexico while he was chained down," Gwen Marie said.

The "Ice Princess" and "Gossip Girl" star died from diabetes complications on Feb. 26, authorities have determined.

Ice age ancestors used sophisticated fireplaces by creating different hearths to light fires for various purposes.