Speleology to cave science in the world. The growth of speleology is directly linked with that of the sport of caving, both because of the stimulation of public interest and awareness, and the fact that most speleological field-work has been conducted by sport cavers. The creation of an accurate, detailed map is one of the most common technical activities undertaken within a cave. Cave maps, called "surveys", can be used to compare caves to each other by length, depth and volume, may reveal clues on speleogenesis, provide a spatial reference for further scientific study, and assist visitors with route-finding. Caves provide
Weird or What? Weird or What? Weird or What? is a series on the Discovery Channel and History (Canada) hosted by William Shatner (except for the U.S. Version of Season 1, where his segments were replaced by a fourth story). Each episode contains three separate stories of the bizarre and unexplained. As the show unfolds, it weighs various supernatural and scientific theories that attempt to explain the story, and sometimes features tests conducted as proof of a theory's plausibility. The show features phenomena such as ghosts, aliens, monsters, medical oddities and natural disasters. The U.S. version of season 1 of the show features