Comment on "From geodesics of the multipole solutions to the perturbed Kepler problem"

Comment on "Geometrothermodynamics of a Charged Black Hole of String Theory"

Comment on "Global Positioning System Test of the Local Position Invariance of Planck's Constant"

Comment on "Gravitationally Induced Neutrino-Oscillation Phases"

Comment on "Gravity Waves, Chaos, and Spinning Compact Binaries"

Comment on "Gravity Waves, Chaos, and Spinning Compact Binaries"

Comment on "High-order contamination in the tail of gravitational collapse''

Comment on "Horizon area- Angular momentum inequality for a class of axially symmetric black holes" [arXiv:1012.2413]

Comment on "Insensitivity of Hawking Radiation to an invariant Planck-scale cutoff"

Comment on "Instabilities in Close Neutron Star Binaries"

Comment on "Interacting holographic dark energy model and generalized second law of thermodynamics in a non-flat universe", by M.R. Setare (JCAP 01, 023, 2007)

Comment on "Is a Circular Orbit Possible According to General Relativity?" (arXiv:1008.3553v1)

Comment on "Kerr Black Holes as Particle Accelerators to Arbitrarily High Energy"

Comment on "Late-time tails of a self-gravitating massless scalar field revisited" by Bizon et al: The leading order asymptotics

Comment on "Model for Gravity at Large Distances"

Comment on "Modified F(R) Hořava-Lifshitz gravity: a way to accelerating FRW cosmology" by M. Chaichian, S. Nojiri, S. D. Odintsov, M. Oksanen, A. Tureanu

Comment on "No-go theorem for bimetric gravity with positive and negative mass"

Comment on "On Mach's critique of Newton and Copernicus"

Comment on "On the tunneling through the black hole horizon" [arXiv:0910.3934]

Comment on "Quantum bounce and cosmic recall" [arXiv:0710.4543]