  The problem of understanding fundamental physical constants was discussed in
particle physics, astronomy and cosmology. Here, I show that a new insight
comes from condensed matter physics and liquid physics in particular:
fundamental constants have a bio-friendly window constrained by bio-friendly
viscosity and diffusion setting the motion in essential life processes in and
across cells. I also show that bounds on viscosity, diffusion and the
fundamental velocity gradient in a biochemical machine can all be varied while
keeping the fine-structure constant and the proton-to-electron mass ratio
intact, with no implication for the production of heavy nuclei in stars. This
leads to a conjecture of multiple tuning and an evolutionary mechanism.
