Whether you are tackling a full-on carpentry project or simply hanging something on your wall, a bubble or spirit level is an essential tool for getting things done right. All of us have had times ...

A new study confirms a theory that humpbacks are a tool-using species, as they deploy nets of bubbles to catch fish and krill. Humpback whales (like these in the coastal waters of the Antarctic ...

If you're the kind of person who tends to have multiple conversations at once, hopping between your messaging apps and whatever else you're doing, you know how tedious it can be to switch between them ...