The substance can stop severe bleeding in about one second by forming a strong hydrogel barrier when sprayed directly onto a wound. The technology, designed with combat conditions in mind, was created by a team at the Korea Advanced Institute of Science and Technology that included an Army major.

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The powder reacts with calcium in blood to gel instantly and can absorb more than seven times its own weight. It is composed entirely of naturally derived materials with antibacterial effects, and it is intended for use in battlefield scenarios and emergency medical care to prevent excessive bleeding, the leading cause of death from injuries.