Stalactites drip from the ceiling in a cave in the Dordogne region of France. These rock formations form when mineral-laden water drips through the cave,…Read More »
leaving behind calcium carbonate or other minerals. Water that falls onto the ground below from the growing stalactite can form stalagmites. When these ground formations meet up with the ceiling formations, the result is a "column." Less «
Even today, humans can't help but jazz up caves. The Reed Flute caves in the Guangxi Province of China are illuminated with colored lights to highlight their formations.
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Stephanie Pappas is a contributing writer for Live Science. She covers the world of human and animal behavior, as well as paleontology and other science topics. Stephanie has a Bachelor of Arts in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz. She has ducked under a glacier in Switzerland and poked hot lava with a stick in Hawaii. Stephanie hails from East Tennessee, the global center for salamander diversity. Follow Stephanie on Google+.