The humble condom — a U.S. soldier’s companion for a hot night out on leave since the military began issuing them in the 1930s as a barrier against infection. But for decades many soldiers, sailors, ...

Kelly has over 10 years of experience writing about home design and improvement for many prominent publications. She also spent several years working at a tech startup for an interior design game ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...