PhysicsMystery of the quantum lentils: Are legumes exchanging secret signals? For 100 years, we have puzzled over the purpose of biophotons, low-level radiation emitted by all plants. Precision studies of lentils now hint that it could be a form of quantum communication Features
SpaceHow excited should we be by signs of life spotted on alien worlds? We keep spotting molecular “biosignatures” in the atmospheres of planets beyond Earth, but it isn't clear if any of them can provide definitive evidence that we’re not alone Features