This guide describes how to grey out unused cells in Excel in Windows 11/10, apply a solid fill color, use Conditional Formatting, or hide unused rows/columns.

Most Excel users spend their time navigating ribbons, building formulas, and formatting cells, all while completely ignoring ...

Press Windows+Z to rearrange how your duplicated Excel windows appear on your screen. Press Ctrl+Shift+; to insert the current time. Press Ctrl+; > Space > Ctrl+Shift+; to insert the current date and ...

Memory T cells are a special type of white blood cell that "remember" past infections and vaccines, helping our bodies to quickly respond if we encounter the same germs again. These cells are found ...

We owe a lot to tissue resident memory T cells (T RM). These specialized immune cells are among the body's first responders to disease. Rather than coursing through the bloodstream-as many T cells ...

Researchers at the Icahn School of Medicine at Mount Sinai have discovered how to reverse aging in blood-forming stem cells in mice by correcting defects in the stem cell's lysosomes. The breakthrough ...

Technical advances allow researchers to trace the genetic changes that occur over time. “There were some cells in there that were very messed up,” says Joe Luquette, who studies bioinformatics at ...

The Pied Piper Easter egg takes place at Haven Hollow's Mansion. It's best to start by dropping into the match and diving ...

November 2025 is about to end in a few days, and as Microsoft does toward the end of every month, the company has published a round-up of all the new features it introduced in Excel during the past ...