https://www.smithsonianmag.com/smart-news/grapefruit-scent-wards-insects-and-safe-enough-eat-180975552/?utm_source=smithsoniandaily&utm_medium=email&utm_campaign=20200813-daily-responsive-a&spMailingID=43194700&spUserID=OTE5NDcwNzM1NjY3S0&spJobID=1821123064&spReportId=MTgyMTEyMzA2NAS2