When the conversation turns to all of the essential vitamins and nutrients that make up a balanced diet, protein is ... Not every animal is raised on the same diet or has the same genetic makeup.

But seals aren't the only animals with extreme milk ... but it makes up for it with extreme levels of protein. While cow's milk has a measly 3 to 4% protein, aardvark milk can contain over ...

"Plant-based meat substitutes have smaller GHG footprints than most farmed ... as recombinant protein production – involves inserting specific DNA sequences into non-animal cells, such as ...

While global dietary guidelines recommend higher intake of plant protein, the ideal ratio of plant to animal protein has remained unknown. The study is the first to investigate this ratio and how it ...

Animal manure is a rich source of nitrous oxide, the fourth most important greenhouse gas. An article on page 659 of this issue suggests that manure production has been a key driver of increasing ...