The white, cloudy contrails that airplanes often leave in the sky may be full of ice crystals, but they're warming the globe. They trap infrared radiation on its way out into space which slightly heats the Earth.
The white, cloudy contrails that airplanes often leave in the sky may be full of ice crystals, but they're warming the globe. They trap infrared radiation on its way out into space which slightly heats the Earth.
The Jeita Grotto is a compound of crystallized caves located in Beirut. It is home to one of the biggest stalactites in the world, hanging 8.2 m (27 ft) from the ceiling.
The white, cloudy contrails airplanes often leave in the sky may be full of ice crystals, but they're warming the globe. Fresh contrails tend to trap outbound infrared radiation, slightly heating Earth.
Monday's debacle only crystallizes what was already clear: NFL's substitute officials are a joke, and it's time for Commissioner Roger Goodell to end the lockout.
Monday's debacle only crystallizes what was already clear: NFL's substitute officials are a joke, and it's time for Commissioner Roger Goodell to end the lockout.
Famed archaeologist/adventurer Dr. Henry "Indiana" Jones is called back into action when he becomes entangled in a Soviet plot to uncover the secret behind mysterious artifacts known as the Crystal Skulls.
An extremely rare phenomenon, a fire rainbow occurs when the sun's light passes through high-altitude cirrus clouds that have a high content of ice crystals.
A famous fossil, "The Crystal Maiden" is the skeleton of a teenage girl, probably a sacrifice victim, with calcified bones and a sparkling, crystallized appearance.
Pu’u Mahana, a gem of a beach in Hawaii, has olive-green sand, due to the olivine crystals winnowed from the eroding headland by the action of the sea.
The trapped microbes were discovered inside tiny bubbles in salt crystals buried in Death Valley, Eastern California, in a state of suspended animation.