Learn how to create a drop-down list in Excel without or with color using conditional formatting and data validation rules.

Researchers have created glow-in-the-dark plants by injecting succulents with materials similar to those that make the ...

Learn how to insert a background color or image in the Outlook email. Add a custom image in the email background using this guide.

Researchers have created glow-in-the-dark plants by injecting succulents with materials similar to those that make the posters light up. The fleshy plants shine as brightly as a night light, and can ...

Boolean logic: The method used to evaluate conditions, returning either TRUE or FALSE. Logical functions: The primary logical functions in Excel that enable you to apply Boolean logic are AND, OR, XOR ...

On a scorching summer day, a parked car can feel like a furnace. New research from Lisbon shows that the effect isn’t just ...

Year to date (YTD) refers to the period beginning on the first day of the current calendar or fiscal year and extending up to the current date.

Solar cells often degrade due to ultraviolet exposure, but scientists achieved 99.9% protection. How? The answer lies in this vegetable.