Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with confidence.

By combining To Go Special with Ctrl+Enter, you can fill thousands of empty cells with the correct data in seconds. First, ...

Researchers have developed nanorobots that kill cancer cells in mice. The robot's weapon is hidden in a nanostructure and is exposed only in the tumour microenvironment, sparing healthy cells.

If you have a cold, the foods and drinks you consume can impact how long the sickness lasts and the severity of your symptoms. Here’s what to eat and what to avoid.