Extreme urban heat exposure has dramatically increased since the early 1980s, with the total exposure tripling over the past 35 years. Today, about 1.7 billion people, nearly one-quarter of the…
Stephen Onyeiwu – Andrew Wells Robertson Professor of Economics, Allegheny College Nigeria is sitting on a demographic goldmine which could transform the economy. About 60% of Nigeria’s 200 million people…
When Jeanne Calment of France died in 1997 at the age of 122 years and 164 days, she set a record for oldest human. That record still stands. As statisticians who study demography, we…