After building a quick-and-dirty test platform--a crossarm bolted to a steel L-bracket--we used three fasteners at a time to attach our contraption to the 38-in. drywall. We timed how long it took to ...

Polystyrene is a widespread plastic that is essentially not recyclable when mixed with other materials and is not biodegradable. A research team has now introduced a biohybrid catalyst that oxidizes ...