greentea

Biochemistry, Biophysics, Physical chemistry, etc can nicely go with Nanotechnology

I would assume that this number 'means something' from purely historical reasons. It might be a coincidence discovered long ago. Most planetary orbits can be fitted into Platonic solids, but I doubt this shows something fundamental about the universe. Rather, at the time science was still mixed with mysticism. Newton spent most of his life doing alchemy.