Our eyes swivel restlessly in their sockets during rapid eye movement (REM) sleep—a phenomenon that has escaped explanation for decades. Research has suggested several possibilities: the eyes roll ...

Microsoft's document-scanning Lens app is no longer available for download. For basic scanning, try Apple Notes, Google Drive, or PhotoScan. For more advanced features, look at Adobe Scan or iScanner.

House-scanning app Canvas works with lidar on the iPhone 12 Pro, but also scans without it. The difference is accuracy. I started with CNET reviewing laptops in 2009. Now I explore wearable tech, ...