From South America, marsupials dispersed into an Antarctican continent that was considerably warmer than at present and, unaccompanied by placentals, reached Australia during the early Eocene, about 50 million years ago.

The country’s first black president, and its first president to reach adulthood after the Vietnam War and Watergate, Mr. Obama seemed like a digital-age leader who could at last dislodge the stalemate between those who clung to the government of the Great Society, on the one hand, and those who disdained the very idea of government, on the other.

Our young scientific workers and technical personnel must emulate the glorious heroes who scaled Mount Chu-mu-lang-ma by answering promptly the great call of the Party -- draw ambitious plans and make strong decisions; use all efforts to climb the highest summit. The red banner of victory in Mao Tse-tung ideology should be flying on the apex of every natural science theory all over the world!

This then is the place to introduce methodological concepts of statistics into the vocabulary of inductive logic, i.e. to define in it concepts like “empirical means (of a sample)”, “empirical variance (of a sample)”, “empirical dispersion (of a sample)”, “true mean (of the population)” (being a synonymum for “degree of uniformity”), “true variance (of the population)”, “true dispersion (of the population)” etc., as well as the most important methodological concepts “amount of confidence probability”, “confidence interval” and “length of the confidence interval” (being a synonymum for “unexactness of the estimation”.