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Stalagmite
A stalagmite is a type of speleothem that rises from the floor of a limestone cave due to the dripping of mineralized solutions and the deposition of calcium carbonate. The corresponding formation ... > more -
Trace fossil
Trace fossils are those details preserved in rocks that are indirect evidence of life. While we are most familiar with relatively spectacular fossil hard part remains such as shells and bones, trace ... > more -
Bering Strait
The Bering Strait is a sea strait between Cape Dezhnev, Russia, the easternmost point (169 degrees 43' W) of the Asian continent and Cape Prince of Wales, Alaska, the westernmost point (168 degrees ... > more -
El Nino-Southern Oscillation
El Niño-Southern Oscillation (ENSO) is a global coupled ocean-atmosphere phenomenon. The Pacific ocean signatures, El Niño and La Niña (also written in English as El Nino and La ... > more -
Effects of global warming
The predicted effects of global warming are many and various, both for the environment and for human life. There is some speculation that global warming could, via a shutdown or slowdown of the ... > more -
Great Chilean Earthquake
The Great Chilean Earthquake or Valdivia Earthquake (Terremoto de Valdivia in Spanish) of May 22, 1960 is the largest magnitude earthquake recorded since seismographic monitoring ... > more
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