This article was originally published with the title “ Heat—Expansion and Contraction ” in Scientific American Magazine Vol. 8 No. 40 (June 1853), p. 315 doi:10.1038 ...

Expansion and Contraction of the Indo-Pacific Tropical Rain Belt over the Last Three Millennia. Scientific Reports , 2016; 6: 34485 DOI: 10.1038/srep34485 Cite This Page : ...

The boom and bust cycle, defined as a period of expansion followed by a steep contraction, are part of the normal business cycles of and economy. In the U.S., the economy averaged 38.7 months in ...

Was the Big Bang really the beginning of the universe, or are we 'bouncing' between periods of expansion and contraction? A new theory makes testable predictions.