The FDA just cleared a new device that stops bleeding from gunshot wounds in seconds

"Traumagel is a 30-ml syringe of an algae- and fungi-based hemostatic gel, that can be applied directly into a wound, helping stanch bleeding within seconds."

"If you have a roll of gauze, you have to pack that into a bullet wound inch by inch, and you have to ensure it's making contact with whatever's bleeding; it can expose an EMT or emergency physician to shrapnel or shards of bone."

Read at Fast Company