Did you know your bathroom loofah might have grown from a plant? Unlike large plastic loofahs, natural luffas aren’t manmade at all—they’re actually made from dried gourds. That’s also how loofahs got ...

I was introduced to the Luffa gourd while living in Guanacaste, Costa Rica, where it grows on every telephone pole in the province. Guanacaste has a dry tropical forest ecosystem with at least six ...