The next time you see a supertanker or cargo ship sail by, you might notice a stream of bubble trailing behind it. Here's why ...

Tiny bubbles of gas — less than a micrometre in size — could spawn a multi-billion-dollar industry, by transforming the normal characteristics of water and other liquids, making them ...

A watched pot never boils, goes the old saying, but many of us have at least kept an eye on the pot, waiting for the bubbling to start. It's satisfying to finally see the rolling boil, behind which ...