All these giants of legend have a humanoid form, and they undertake generally human activities—walking, stomping, dancing, carrying heavy loads, running, and so forth. They act and move about in a ...

Early humans may have spread across the Americas by specializing in giant prey such as mammoths, ground sloths, and gomphotheres.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...