Mercedes F1 driver and Monte Carlo born and bred Nico Rosberg is rich, famous and good-looking. But he must not have a girlfriend because he’s always at hand when someone wants to make some geeky informative video about Formula One technologies. This time he talks us through the development of F1 helmets, and how they evolved from the leather caps of yesteryear to the carbon-reinforced high-tech helmets of today.

http://www.youtube.com/watch?v=ovzzlSN4JKk