>>508796306
Well, they did invent that enamel-repairing toothpaste that they sold to a Japanese company.
American taxpayers finally got it several decades later.

https://www.nasa.gov/general/tech-today-semiconductor-research-leads-to-revolution-in-dental-care/
>Toothpaste based on the mineral hydroxyapatite, popular across Asia and much of Europe today, is finding its first foothold in the U.S.
>But the idea behind this alternative to fluoride-based toothpaste was conceived here in a short-lived NASA field center more than 50 years ago.