In October 2005, an unexplored part was found by the CAVEX team, further increasing the known depth of the cave.

For example, northern Afghanistan has unexplored reserves of oil and natural gas that could help meet China s energy needs.

Bottom trawlers drag heavy nets over the ocean bottom, destroying magnificent, unexplored, and endangered marine species in the process.

And those are Titan and Enceladus. Titan is Saturn's largest moon, and, until Cassini had arrived there, was the largest single expanse of unexplored terrain that we had remaining in our solar system.

One common argument is that governments should protect biodiversity because of its untapped potential for the pharmaceutical industry.