When Jesus looked at fishermen and tax collectors and called them the “salt of the earth,” He wasn’t offering religious comfort. He was issuing a revolutionary declaration. These were not the powerful ...

Earth may have been pushed deeper into a global deep freeze by something surprisingly ordinary: salt. Around 700 million years ago, Earth entered periods of extreme glaciation known as Snowball Earth, ...

Have you ever walked across a salt flat so expansive it feels like another planet? That's what it's like standing in Egypt's coastal sabkhas—those otherworldly landscapes where the ground crunches ...