Aug 05, 2025 What's the status of singularity in the correct theory of quantum gravity (if there is any) Aug 04, 2025 Fermion requires tetrad? (Rovelli, Vidotto 2015) Aug 04, 2025 Lorentzian quantum cosmology? (Feldbrugge, Lehners, Turok 2017) Aug 04, 2025 Which approach(es) will lead to a viable theory of quantum gravity?