Missing link found between brain, immune system; major disease implications

This may not have much impact with respect to the main subject of my studies, but nevertheless a very interesting and probably also very useful discovery. Read it here at Science Daily

Summary: 

New research shows that the close linkage between the physical properties of amino acids, the genetic code, and protein folding was likely the key factor in the evolution from building blocks to organisms when Earth's first life was emerging from the primordial soup.