The Electric Factory Above Our Heads Thunderstorms often begin to develop early in the day when the sun heats the air near ...

Physicists have long known how lightning ends, in a blinding discharge that can heat air hotter than the surface of the Sun, but the precise trigger that starts a bolt inside a cloud has remained ...

21,232 people played the daily Crossword recently. Can you solve it faster than others?21,232 people played the daily Crossword recently. Can you solve it faster than others?