The main goal of the SHEBA project is to gather data about heat transfer in the Earth system, particularly how heat...? *

True or False? Behavior studies of Weddell seals using an underwater camera are unlikely to provide valid behavioral data due to the camera's unnatural lighting. *

For many years, anthropologists studying ancient migration across the land bridge were perplexed by radiocarbon dating results. This conundrum was recently solved using an improved radiocarbon dating technique. What was the conundrum? *

What made scientists realize that ancient Arctic people commonly used copper and iron tools? *

True or False? Ancient Arctic people got their iron from a fallen meteorite. *