This story is co-published with The Guardian and supported by The Heinrich Böll Foundation. Andrée Nieuwjaer, a 67-year-old resident of Roubaix, France, is what one might call a frugal shopper. In ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Science is uncovering more novel ways to transform those smelly ...

Editor’s note: This article is published after the passing away of Rod Ewing. The draft manuscript was prepared by both authors. It has been lightly edited for style, length, and clarity. Additional ...