Negative Energy and the Focussing of Light Rays

Gravitational waves and fundamental (astro)physics

Advanced LIGO and the first years of gravitational-wave astrophysics

Classical Spacetime from Quantum Field Theory

Entanglement of spacetime

Translating quantum gravity for the massless

Using unitarity cuts to calculate (the imaginary part of) Feynman integrals

Musings on Monod's Second Secret of Life

Bacteria Have Feelings Too: The Physics of Mechanosensation