Cave-dwellers in Romania.(a underground cave contains an ecosystem that has been sealed from the outside world for some 5 million years)(The Top Science Stories of 1996)

From: Discover | Date: January 1, 1997| Author: Abrams, Michael M. | Copyright information

A subterranean Romanian cave, filled with invertebrate animals, led biologist Serban Sarbu to conclude that the cave contained the first known land-based ecosystem that does not depend on sunlight for energy. The cave inhabitants make use of hydrogen sulfide through a process of chemosynthesis.

In 1986 Engineers drilling an exploratory hole at a possible construction site in southeastern Romania, near the Black Sea, discovered a cave 80 feet below ground. Taking advantage of the c...

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