Tonight I was peeling an onion and noticed something that looked like a fine layer of dark grey dust between the outermost skin and the next layer in. I've actually seen this many times before. What is this? Dirt? Sand? Some kind of fungi?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.