This new powder acts within just one second. When it touches blood, it turns into a strong gel that seals the wound and stops ...

The porous material, derived from shellfish, optimizes absorption while activating a previously overlooked blood-clotting mechanism, stemming bleeding within minutes. More than 11 million people in ...

We've all been there: You're going about your day when, out of nowhere, you feel a trickle start in your nose. Nosebleeds might be common, but they're always inconvenient-and sometimes a little ...