What’s your fitness age? That’s a 21st-century question you can ask, thanks to the invention of the phrase fitness age. But what does this new term mean? Here’s an answer provided by the lexicographer David Barnhart, editor of The Barnhart Dictionary Companion, a quarterly devoted to new words. He defines fitness age as “a measure in years of […] … learn more→

Usain Bolt can achieve faster running times with no extra effort on his part or improvement to his fitness, according to a new study by Professor John Barrow, Director of the Millennium Maths Project at the University of Cambridge. The study is published today in Significance, the magazine of the Royal Statistical Society and the […] … learn more→