• Question: Why do some people have the ability to close their nostrils from the inside and others don't?

    Asked by nicenadia to Alessandro, Angela, Claudia, Marina, Phil on 12 Mar 2013.
    • Photo: Claudia Krehl

      Claudia Krehl answered on 12 Mar 2013:

      I think this is probably one of those things that get decided by your genes. You either can or you can’t. Just like rolling your tongue. If both of your parents can do it, so should you!

    • Photo: Phillip Wilkinson

      Phillip Wilkinson answered on 12 Mar 2013:

      I never knew this was even possible!

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