Scientists call it the Great Dying, a 250-million-year-old catastrophe that wiped out 90 percent of ocean species and 70 percent of land species in the biggest &to=http:// english.pravda.ru/society/2002/01/11/25263.html ' target=_blank>mass extinction in Earth's geologic history.
The cause of this cataclysm is a matter of great dispute among paleontologists, but research released Thursday offers new evidence that &to=http:// english.pravda.ru/science/19/94/377/14519_climate.html ' target=_blank>global warming caused by massive and prolonged volcanic activity may have been the chief culprit.
Russia, when signing documents for the sale of Alaska to the United States, was realizing her objective benefit
It has long been understood that the West has been trying to subject Russian borders to total control. We have not seen such activity even during the Cold War