The asterisk (*) is the wildcard character that represents any sequence of characters, including when there are no characters at all. It’s the most flexible of the bunch, since it can replace any ...

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...

In the future, clothes might come from vats of living microbes. Reporting in the journal Trends in Biotechnology, researchers demonstrate that bacteria can both create fabric and dye it in every color ...