An earlier study in 2006 showed that attractive parents are 36% more likely to have daughters, and that the daughters become more attractive

That study has been validated again recently, but now with the added caveat that whilst it seems that the attractiveness is hereditiary for women and not for men: ie. attractive couples have more children of which the daughters will likely be attractive and the sons likely will not.

Parkour is the original French name for the sport, Freerunning is the name it has taken on. These guys get from A to B using the most original way possible. That means jumping railings, from house to house, doing flips, running up walls, etc etc etc. It’s an art as much as a sport and involves high levels of fitness, power and gymnastic ability.

This is a link to some great basic tutorials