Like an undulating seesaw, weather in some regions swings from drought to heavy rain under the weight of climate-induced changes, according to an analysis published in Geophysical Research Letters.

Back in 1935, the American linguist George Zipf made a remarkable discovery. Zipf was curious about the relationship between common words and less common ones. So he counted how often words occur in ...

Universal motion: researchers have found that patterns of travel in different cities are surprisingly universal. (Courtesy: iStock_Nikada) Patterns describing how far and how frequently people travel ...