They discovered that cumulus clouds dissipate during eclipses because of the relationship between solar radiation and the formation processes ... are driven by solar heating, Gristey said.

It's the end of a scorching day: the air seems still, the streets remain warm, and the heat weighs like an invisible burden ...

It's midday, and the sun is high in the sky, a natural cyan canvas peppered with puffy, cauliflower-shaped clouds. With little warning, the clouds cluttering the horizon start to vanish ...