"July 7th, San Fermín," goes the most traditional song in Pamplona. A celebration inextricably linked to the running of the bulls, it began back in 1385 during the reign of Charles II the Bad. It seems its origins lie in...

Arthur Eddington popularized the expression “the arrow of time” to refer to its irreversibility.

The former NASA chief scientist has left the planet five times, and has spent more than eight hours floating alone in space

Un estudio constata que algunas personas aumentan su tasa metabólica a partir de cierta temperatura, pero aún trata de entender por qué