Wunderkinds

A 13-year-old Oregon girl invented a bandage that can tell doctors when it must be changed, winning a $15,000 scholarship in an international Google science contest in October. Large wounds should be kept moist to promote healing, but that requires changing bandages too often to check for that. Anushka Naiknaware designed and tested a bandage that’s embedded with nanoparticles of graphene, via ink printed into fractal patterns. They sense moisture levels and allow medical workers to determine whether the dressing has dried out. According to The Oregonian, Anushka thanked a mathematical YouTuber for introducing