I organized a series of expeditions to investigate new deep caves, using dye traces in cave streams to probe Arabika’s potential depth. In 2001 a team led by Ukrainian Yuri Kasjan set a world ...
The Hranice Abyss — or "Hranická propast," in Czech — is the deepest known freshwater cave in the world. Geologists think it could extend more than half a mile (1 kilometer) below Earth's ...
MOSCOW, October 20. /TASS/. The United States is leading the world down into the deepest abyss, while recent US government decisions illustrate the serious illness afflicting American society as a ...