University of Colorado at Boulder Jun 15 2026 Blood clotting is one of the body's oldest survival mechanisms-a biological defense that has protected humans from dangerous bleeding for millions of years. But when severe injuries strike, nature's solution can sometimes fall short. Now, researchers in the Paul M. Rady Department of Mechanical Engineering at CU Boulder are helping test a new type of engineered blood clot that forms faster and is more durable than the ones found in nature. The new