Chest freezers were often kept in garages and other cold places and worked efficiently (and economically) by not having to fight central heating temperatures. I have read your column for years, and been impressed with the clear explanations you normally provide.
Amino acids are found in animal sources such as meats, milk, fish, and eggs. They are also found in plant sources such as soy, beans, legumes, nut butters, and some grains (such as wheat germ and quinoa). You do not need to eat animal products to get all the protein you need in your diet.
We eat too much meat. While protein in meat is a great for tissue repair, many of us eat too much of it. As more of the world's population increases meat intake, the strain on our resources is not sustainable. Take a look at some ways to manage your meat intake more wisely. I just wanted to say how great this site is.