If your kids have made plaster handprints in school, they’ll be familiar with the following and easy how-tos. To make a mold in damp sand, use your hands to scoop out a free-form design at least 2 ...

Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

The prismatic artwork by Teresa Margolles includes plaster cast faces of 726 people from Mexico City, Ciudad Juárez, and London. Teresa Margolles, "Mil Veces un Instante (A Thousand Times in an ...

Artists Sarah Marjanovic, left, and Heather Sandy adjust a mask on a plaster face cast that is part of their ‘Living Hosts: Culturing Collaboration’ exhibit, which begins Thursday at the Illini Union ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...