Ginormous Crystals

Also:

Giant Crystal Cave on the National Geographic Channel tonight. (9pm Eastern / 6pm Pacific) (and also again at 9pm Pacific.)


"A team of scientists explore a Mexican cave filled with giant crystals; some of the largest ever discovered. With temperatures near 120 degrees Fahrenheit, and over 80 per cent humidity, the cave is one of the deadliest environments on earth."

Wooo science.