The ice then melts, leaving a space below the surface, which caves in under the stress of vehicles and eventually forms a pothole.

BBC: Jetpatchers at work

And only 10% of the life forms inhabiting that unknown world are known to those on the surface.

FORBES: Richard Branson On Exploring The Final Frontier

According to a new computer model, liquid methane in contact with a partially hydrogen-terminated diamond surface at extremely high pressures and temperatures spontaneously forms longer hydrocarbons, and hence the material of crude oil could be formed deep in the earth.

FORBES: Deep Oil From Diamonds? Maybe, Says A New Report