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.

Press Ctrl+; to insert the current date. Press Ctrl+Shift+; to insert the current time. Press Ctrl+; > Space > Ctrl+Shift+; ...

Instead of selecting all errors, press F5 > Alt+S > C > Enter to highlight all constants—numbers, text, and symbols that aren ...

Stanford scientist Fei-Fei Li talks about teaching machines to see as humans do, the US-China AI arms race, and what worries her about a more automated future.

Here are five ways Indian classrooms can teach critical thinking. 1. Rebut the AI Sidestep treating AI as a prophet. Instead, ...

Major retail chains and tech companies are offering new or updated artificial intelligence tools in time for the holiday ...

A new Dartmouth study opens new avenues for understanding—and potentially manipulating—how cells decide to live or die.

Scientists at Children's Medical Research Institute (CMRI) have made a major discovery about cancer cells. This new ...

Northwestern Medicine scientists have uncovered a surprising link between a tiny cellular engine and the way cancer cells build the DNA they need to proliferate, according to a new study published in ...

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any ...

Boz, read what the TLC legend had to say about promoting HIV prevention with “So We PrEP,” her bond with Chilli, and much more.

Researchers have found a small but powerful switch inside breast cancer cells that helps them survive stressful conditions.