They Call Her ‘Queen Of Dung’ — And She Doesn’t Mind

Researcher Claire McCarthy, also known as the "queen of dung," sits on a blanket with images of DNA, test tubes and beakers.

Millions of people burn animal dung for heating and cooking. To find out if the smoke can cause lung issues, researcher Claire McCarthy used some unorthodox methods.

(Image credit: Heather Kim/NPR)