More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...

Tiny droplets of water and microscopic bubbles of gas were trapped in “fluid inclusions,” sealing a perfect record of Earth’s ...

What is shelf life on a breath of air? Well, it just so happens that back in northern Ontario, it’s 1.4 billion years.

Salt creeping, a phenomenon that occurs in both natural and industrial processes, describes the collection and migration of salt crystals from evaporating solutions onto surfaces. Once they start ...

Humans have been harvesting salt since prehistoric times. In this kitchen-science experiment from ATK Kids — the children's website of America's Test Kitchen — chunky flakes of salt appear as a ...

I routinely presume that people know all about efflorescence, but in fact many don’t. I’m referring to the fluffy white deposits you might find on your concrete floors, brick walls or basement walls.

The regular granular table salt you’re used to isn’t the most attractive-looking seasoning out there, even given its fundamentally compelling flavor. You don’t have to settle for boring old salt ...

Scientifically speaking, the term “crystal” refers to any solid that has an ordered chemical structure. This means that its parts are arranged in a precisely ordered pattern, like bricks in a wall.

Trapped gases in 1.4 billion-year-old salt crystals reveal ancient secrets about oxygen and carbon dioxide levels on early ...

More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...