Scientists have spent the last five years observing sperm whale communication and behaviors using tags, buoys and drones. They’ve finally begun to learn how whales use calls for communication.

From the Joint Tactical Radio System to the Warfighter Information Network–Tactical (WIN-T) and Future Combat Systems, the Army’s record on digital modernization is littered with cautionary tales.

To check, scan and restore a potentially corrupted system file, run Command Prompt as Administrator. The command to be used is: If System File Checker finds corruption, and it is successfully able to ...