We used to call that kind of code hemoglobin, or hemo for short. Hemoglobin is a molecule that's barely changed over hundreds of millions of years, is extremely

We used to call that kind of code hemoglobin, or hemo for short. Hemoglobin is a molecule that's barely changed over hundreds of millions of years, is extremely complicated and does one thing really well -- bind to oxygen and carry it around. Change one or two proteins and it stops working. Another colloquialism for this kind of code is "happy fun ball". do not feed or annoy happy fun ball...