This year’s prize in physics was awarded to Kiyoshi Mabuchi from Kitasato University in Japan for measuring, when someone steps onto a banana peel, the friction between the shoe and the banana skin and between the banana skin and the floor.
The prize in neuroscience was awarded to Kang Lee from the University of Toronto, Canada, for trying to understand what happens in the brains of people who see the face of Jesus in a piece of toast.
Full report: “Slippery banana study wins Ig Nobel” in BBC Science News