Learn how to type or insert the sum (Σ) symbol in Excel to make your spreadsheets cleaner and easier to read. Perfect for ...

A combination image shows two screen captures from a video posted on the X account of The White House on Sept. 15, 2025, depicting a U.S. military strike on an alleged Venezuelan drug cartel vessel.

The Heathrow cyber disruption in September 2025 highlights how third-party vulnerabilities can ripple across national security, corporate stability and investor portfolios. Diverging regulatory ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Every January, Ben Sorkin and Max Teirstein embark on an adventure to celebrate their anniversary—a “big winter trip,” as they call it. After meeting on a dating app in January 2021, the two quickly ...

Explore the patterns and trends of teens’ experiences on different online platforms below. YouTube tops the list among teens, with nine-in-ten saying they use the platform. TikTok, Snapchat and ...

What if mastering a handful of Excel functions could save you hours each week, eliminate frustrating errors, and even make you the go-to problem solver in your office? It’s not just a bold claim—it’s ...

Scientists have transformed RNA, a biological molecule present in all living cells, into a biosensor that can detect tiny chemicals relevant to human health. Research by scientists centers on RNA, a ...

Will Smith, Jamie Foxx, Angela Bassett, Halle Berry and Dwayne “The Rock” Johnson are among the prominent Black actors leading AppleTV+’s two-part documentary “Number One on the Call Sheet.” “Number ...

The constant hamster wheel of figuring out how to feed yourself and your family can be tedious and exhausting at times, even for those of us who love to cook. Nonetheless, we still have to eat — and ...