Old wives’ tales, folk knowledge, common sayings, and even cliches and idioms are often taken as givens since they form an often unnoticed part of our vocabulary and culture. There’s so many examples ...

How many tubes of toothpaste do you think you’ve used in your life? Think of a number. Now, think of the fact that it takes the average tube of toothpaste 500 years to break down. When you factor in ...

Twice a day we carry out the same old minty ritual—several up-and-down strokes, rinse and spit. If the experience is a bore, most of us shrug it off as the price for shiny whites. But now, a new crop ...

The Treehugger editorial team is a diverse group of experts—with advanced degrees, professional experience, published books, and more—whose expertise spans every corner of the sustainability space.

Of the hundreds of thousands of tubes of toothpaste sold in the U.S. each year, most end up in landfills. The tubes, which are usually made of a mix of materials including aluminum, aren’t accepted at ...

After five years of research, Colgate-Palmolive recently revealed Australia’s first recyclable toothpaste tube. Why is this exciting? They are eager to share the design with the rest of the toothpaste ...