What is lightning and what causes it? Lightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves. Most occur within the clouds ...

More than 100 aid groups warned of “mass starvation” after months of Israeli restrictions on food entering the territory.

AT a small depth (from 12 to 40 feet) below the surface of the earth the temperature is constant throughout the year, and this constant temperature of the soil differs little from the mean annual ...