1. Introduction

    1. About the physical interpretation of the velocity parameter in the formula for the gravitational Planck constant

    2. Is the hierarchy of Planck constants behind the reported variation of Newton's constant?

  2. About the physical interpretation of the velocity parameter in the formula for the gravitational Planck constant

    1. Formula for the gravitational Planck constant and some background

    2. A formula for β0 from ZEO

    3. Testing the model in the case of Sun and Earth

    4. Under what conditions the models for dark and ordinary Bohr orbits are consistent with each other?

    5. How could Planck length be actually equal to much larger CP2 radius?!

  3. Is the hierarchy of Planck constants behind the reported variation of Newton's constant?

    1. The experiments

    2. TGD based explanation in terms of hierarchy of Newton's constants

    3. A little digression: Galois groups and genes

    4. Does fountain effect involve non-standard value of G?

    5. Does Podkletnov effect involve non-standard value of G?

    6. Did LIGO observe non-standard value of $G$ and are galactic blackholes really supermassive?

    7. Is it possible to determine experimentally whether gravitation is quantal interaction?

    8. Fluctuations of Newton's constant in sub-millimeter scales as evidence for TGD

    9. Conscious experiences about antigravity

  4. TGD inspired solution to two cosmological anomalies

    1. Could 160 minute oscillation affecting Galaxies and the Solar System correspond to cosmic "alpha rhythm"?

    2. Why is intergalactic gas ionized?

  5. Appendix: About the dependence of scattering amplitudes on ℏeff

    1. General observations about the dependence of $n$-particle scattering amplitudes on &hbar

    2. Photon-photon scattering as objection against TGD view about discrete coupling constant evolution

    3. What about quantum gravitation for dark matter with large enough ℏeff

    4. A little sidetrack: How a finite number of terms in perturbation expansion can give a good approximation although perturbation series fails to converge?