Most Popular Majors at Harvard for Bachelor's Degrees Social Sciences: 38%Biology: 12%History: 9%Psychology: 8%English: 6%Physical Sciences: 6%Mathematics: 5%.
Common protein rich foods can include: 1  Milk. 2  Soy Milk. 3  Eggs. Cheese. 4  Yogurt. Peanut Butter.  Lean Meats, Fish, and 1  Poultry. Beans, Tofu, Lentils, and other Legumes.  Grains, including bread 1  and pasta. Nuts and  Seeds.
Photo Credit Skarie20/iStock/Getty Images. Many different foods contain protein. Meat, fish, eggs and dairy are animal-based protein sources. Plant-derived proteins include soy products, beans, grains, nuts, seeds and some vegetables.hoto Credit Skarie20/iStock/Getty Images. Many different foods contain protein. Meat, fish, eggs and dairy are animal-based protein sources. Plant-derived proteins include soy products, beans, grains, nuts, seeds and some vegetables.