Spring is around the corner, bringing with it the return of cleaning and maintaining a tidy garden. But did you know that you ...

This story appears in the February 2019 issue of National Geographic magazine. Ketchup—that cheerful red sauce sold in handy glass bottles—first came on the American market in the 19th century.

Polish copper and silver Tarnished metal surfaces, such as copper and silver, can benefit from ketchup’s natural acidity. The acids in ketchup help dissolve tarnish and restore a bright shine to ...