About the same size as fine particles of cigarette smoke, the grains are made of silicate minerals and carbon-based materials coated with ice - principally water ice and frozen carbon monoxide.

BBC: University of Nottingham

The summit greets us with a vista arranged from snow and ice, water and clouds.

FORBES: Go with the Floe

As described by ice sculptor Joseph Amendola in his book Ice Carving Made Easy, written records dating back to 600 BC reveal that in the highlands of northwest China, farmers would flood their fields with water, wait for it to freeze, harvest blocks of ice and then store them in insulated facilities to help preserve perishables like seafood.

BBC: The origins of ice sculpting

The exercises train U.S. submarine crews to deal with craggy ice keels that extend 20 to 50 feet into the water, and varying salinity levels that complicate communications and navigation under the ice cap.

FORBES: U.S. Navy Scrambles for Piece of Arctic Pie

It was remarkable for being the first hotel in India with electricity, and offered such luxuries as hot water, its own laundry and machines for creating ice.

BBC: Mumbai��s Taj Mahal Palace, one year after reopening

In the study released Wednesday, researchers suggest extracting the natural gas hydrates with "depressurization" -- a method that involves changing the ice into gas and water at the surface.

CNN: Study: Tap natural gas from Alaska's frozen areas

The idea that the surface of Mercury has ice has been kicking around since the 1970s, and radio telescope images in 1991 showed some signs that were consistent with there being water ice on the surface.

FORBES: NASA Has Discovered Water Ice On Mercury

Water-ice covers Charon, while Pluto's surface is predominantly nitrogen frost with traces of methane and carbon monoxide ices.

BBC: Scientists plan Pluto flyby