Anti-submarine warfare (ASW) has always been a game of hide and seek, with adversarial states looking to adopt and deploy emerging technologies in submarine stealth or detection to give them the strategic edge. The advantage has shifted back and forth, but, on the whole, it has proved easier to hide …

The human body is electric. Peripheral nerves connect all organs to the central nervous system, and those nerves are packaged in various bundles. The vagus nerve, for example, carries about 100,000 nerve fibers. It’s also the longest nerve in the body, linking the brain to organs from the esophagus to …

An artificial island or man-made island is an island that has been constructed by people rather than formed by natural means. Artificial islands may vary in size from small islets reclaimed solely to support a single pillar of a building or structure, to those that support entire communities and cities. Human-made …