VLOOKUP has been the go-to function for looking up data in Excel for years, but it comes with limitations. You can only search in the leftmost column and return values to the right. If your lookup ...

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 ...

Explore Excel’s new AI-powered tools and productivity features in the Fall 2025 update. Smarter, faster, and more intuitive ...

One of the newest weapons that scientists have developed against cancer is a type of engineered immune cell known as CAR-NK (natural killer) cells. Similar to CAR-T cells, these cells can be ...

For over three decades, HIV has played an elaborate game of hide-and-seek with researchers, making treating-and possibly even curing-the disease a seemingly insurmountable obstacle to achieve. But ...

For the first time, scientists have created fertilizable human eggs from skin cells—an advance that the researchers say could pave the way for new infertility treatments, though the technology remains ...

Lithium-ion cells deliver very high energy densities compared to many other battery technologies, but they bring with them a danger of fire or explosion if they are misused. We’re mostly aware of the ...