• Question: What is the cleanest thing on earth?

    Asked by dig03 to Jessica, Sarah on 22 Nov 2013.
    • Photo: Sarah Tesh

      Sarah Tesh answered on 22 Nov 2013:

      Well computer chips and other electrical components in like your phone, pad, laptop etc have to be extremely clean and dust free to work so the places they are made must be too. But there’s also laboratories that are kept highly clean because of research on fatal biological substances.