There are three major ways by which the rate of genetic drift can be modelled in the simplest type of population: increase in variance of allele frequencies; approach to identity by descent of all ...

Hurricane Melissa, one of the strongest Atlantic storms ever recorded, created "extremely dangerous and life-threatening" conditions in Jamaica, according to the US National Hurricane Center. Climate ...

Joanna Stern is The Wall Street Journal’s senior personal technology columnist and author of the Tech Things newsletter. She also hosts and produces the Tech Things video series. An Emmy Award-winning ...