Category science

Scientists Say: Campfire

Campfire (noun, “KAMP FYRE”) Campfires are small eruptions on the sun’s surface. They are similar to massive explosions known as solar flares and coronal mass ejections, or CMEs. But campfires are only about a millionth or a billionth the size…

Surprise! The jet stream can trigger cloud formation

Clouds form when water molecules in the air stick to certain tiny particles — think of them as seeds. Scientists have now discovered an unexpected source of those seeds. When two layers of Earth’s atmosphere overlap, chemicals in each layer…