The big quit. The great resignation. Whatever you want to call it, millions are leaving their jobs. We’re doing a series about people who have followed their calling. You can tell us about yours below ...

A liquid marble is an otherworldly combination of liquid and solid. Shaped like a solid marble but with many properties of a liquid, these strange objects were introduced in a 2001 Nature article and ...

If you've held onto old marbles from childhood or stumbled across a dusty jar in the attic, you might be wondering if they're worth anything. Not all old marbles have high value, but certain handmade, ...