Rosettes made by scraping Tête de Moine, or “monk’s head,” cheese result from variations in the friction between the blade and the cheese.

Implanted tubes that transport bodily fluids can get gross. A lab prototype suggests a new vibration-based way to keep them clean and prevent infection.

Kosmos 482 launched for Venus in 1972 but never left Earth orbit. The spacecraft has now lost enough energy that it can’t fight gravity anymore.