Print Yourself a Femur
Scrooge919 writes "Newscientist is running an article about a new 'bone printer' that can be used to replace segments of broken bones. A large segment could be fabricated in about an hour and would be able to support the person's weight. Over the course of about 18 months, the section is absorbed by the body and replaced with real bone."
There is probably a parking lot full of fire hydrants. Not a cat in sight of the place. And probably any human around the place has protective knee covers.
Norris/Palin 2012
Fact: We deserve leaders who can kick your ass and field dress your carcass.