Martin Fourcade: the Science behind the Olympic Biathlon Skiing Champion —

Five-time Olympic Biathlon Skiing Champion Martin Fourcade enlisted the help of two scientists - Caroline Cohen and Christophe Clanet at Ecole Polytechnique - to help to decide the best type of wax to use on his skis in the 2018 PyeongChang Winter Olympics. Here's how they did it...

https://www.youtube.com/watch?v=rwKe2vbJXM0