3 Smart Things About Banana Peels

摘要

THEY'LL CLEAN WATER. Bananapeels aren't just a prop for slapstick comedians. Study after study shows they can filter water by absorbing toxins, especially heavy metals in industrial waste like lead, copper, cadmium, and chromium. A recentstudyin Brazilfoundthatthe same batch of minced peels could maintain its purification abilities through 11 washes. New peel processing technology could one day make decontamination cheap.