Excel doesn’t have a direct equivalent. To achieve the same result, you’d either have to piece together complex formulas with functions like SEARCH or write custom VBA scripts. While those approaches ...

REGEX is a smarter version of Excel's FIND function, which works well for basic lookups. However, REGEX handles more complex ...

For over three decades, HIV has played an elaborate game of hide-and-seek with researchers, making treating—and possibly even ...

Scientists have uncovered how a key type of immune cell adapts its behavior depending on the type of infection, paving the ...

UCSF scientists discovered that an overlooked cell type in the brain plays a central role in healing traumatic brain injury.