Whoa. Fibonacci. Decorative pine cones. Doodling. Glitter pens. This woman knows how to teach math! Seriously, watch it. Then show it to your favorite teenager who thinks “math is hard” and watch their eyes bug out in wonder. Where was Vi Hart when I was struggling in high school Math 3? Be sure to click through for parts two and three. So worth your time! ~AR
Doodling in Math: Spirals, Fibonacci, and Being a Plant [1 of 3] (by Vihart)
Matematica, pigne e Fibonacci.