Learn when FILTER beats XLOOKUP, when it does not, and how to handle multiple matches, nth items, and multi-condition lookups with clear steps.

Thirty years after it scrapped racial segregation, South Africa seeks to recover a founding story that inspired ideas of ...

Stanford Medicine researchers invent an electromagnetic device that can gently sort different types of cells by levitating them to different heights. It looks like a magic trick: Cells at the bottom ...

Given the ubiquity of neon-colored safety jackets, criminals are using them to carry out crimes in plain sight. By Alex Marshall Reporting from London When clothing manufacturers first made high ...

The immune system has a tough job: When a tiny virus invades one of our cells, that cell must detect it and, within minutes, decide what to do. If the cell quickly self-destructs, that will prevent ...

Scientists have found that preserving lymph nodes during cancer surgery could dramatically improve how patients respond to immunotherapy. The research shows that lymph nodes are essential for training ...

Scientists are hoping to treat diseases including cancer and Alzheimer's by influencing how cells make life-or-death decisions. In Alzheimer's, brain cells die too soon. In cancer, dangerous cells don ...

We may earn a commission when you click links to retailers and purchase goods. More info. Google announced two ad-related changes to Search today that I think you’ll actually enjoy. Instead of finding ...