Dan Johnson
More ideas from Dan

DNA Sequencing Traces Ancient Phoenician to Rare European Ancestral Group

The 500-Rep Unloaded Barbell Challenge http://www.menshealth.com/fitness/500-rep-unloaded-barbell-challenge

Spartacus Workout in Men's Health magazine (I can't do this workout all the time but I have been able to do it a few times so far. Definitely a challenge for upper body strength.)