Medical implants like stents, catheters, and tubing introduce risk for blood clotting and infection — a perpetual problem for many patients. Colorado State University engineers offer a potential solution: A specially grown, “superhemophobic” titanium surface that’s extremely repellent to blood. The material could form the basis for surgical implants with lower risk of rejection by…

Astronauts aboard the International Space Station (ISS) conduct research, fix equipment, perform space walks … and they vacuum. Although it has high-efficiency filters installed on all the air returns, the ISS, it turns out, is dusty, like any house, office, or laboratory. The difference is that large dust particles settle by gravity here on Earth,…