Creating a safe, stable environment with lots of potential for free-riding and tricks takes the input of a lot of skaters, and a fair amount of maths.
How can three or more objects be kept in the air when you’ve only got two hands?
As world records tumble, biologists use statistics to find the limits of human speed.
Studying maths doesn’t stop you from playing world-class football. Harald Bohr was a Danish mathematician who won a silver medal at the 1908 summer Olympics. He also played for the Danish club Akademisk Boldklub alongside his Nobel Prize-winning brother, the physicist Niels Bohr.
League organisers schedule more than 2000 football matches each season. That’s certainly going to take more than 90 minutes – even with extra time!