Paleo/Primal Nutrition:
Evolvify (Andrew Badenoch's den of awesomeness!)
Gary Taubes (Science journalist, author)
Hunt. Gather. Love (Melissa McEwan's blog; excellent research and thoughtful material)
The Daily Lipid (Chris Masterjohn)
Mark's Daily Apple (Mark Sisson's site for Primal living)
Evolutionary Fitness (Arthur De Vany's site dedicated to evolutionary fitness)
Exercise & Fitness:
Al Kavadlo (Wanna get super-strong? Go to this site and learn how)
MovNat (Erwan LeCorre's superb site focusing on natural human movement as the way to get fit and strong)