Shrimp Band-Aids

ScienCentral: Battlefield Band-Aids

"Scientists have created a bandage that is actually able to clot a bullet wound in less than a minute. The bandages are laced with a mixture of ground shrimp shells and vinegar, a concoction that has been found to clot blood instantly.

While the bandages are currently being produced exclusively for the military, [the manufacturer] is aiming for the civilian market."