Eric Walker added The Leakey Foundation | Behind the Science: C3 or C4, Which One Are You? to C4 diet and C3 diet

Eric Walker added The Skeletons at the Lake | The New Yorker to a number of topics

Eric Walker added a number of topics and a number of links to Regional, health-related and other diets, and added Regional, health-related and other diets to Food and drink

Eric Walker added The Leakey Foundation | Behind the Science: C3 or C4, Which One Are You? and The Skeletons at the Lake | The New Yorker to C4 diet, and added C4 diet to Regional, health-related and other diets