When Uriel plans his work schedule late in summer near his village in the Peruvian mountains, his first decision is usually ...

Salt shakers were invented in 1858 by John Mason, the guy who invented the screw-top Mason jar. He made little screw-top jars to keep salt in at the table and keep it from caking from the humidity.

Salt is an essential nutrient for the human body. But hundreds of millions of years before the first humans, salt minerals once shaped entire landscapes. They even determined where early life on Earth ...