Tag: Origin

  • Tracing the origin of the Neutrino mass

    Tracing the origin of the Neutrino mass

    Julia Gehrlein Department of Theoretical Physics, CERN, Geneva, Switzerland July 6, 2023• Physics 16, 20 Collider experiments have set new direct constraints on the existence of hypothetical heavy neutrinos, helping to constrain how ordinary neutrinos get their mass. Figure 1: In the seesaw mechanism, a hypothetical neutrino (left) is “mixed” with an observed neutrino (right).…

  • 500-million-year-old fossil discovery reveals strange secret of tunicate origin

    500-million-year-old fossil discovery reveals strange secret of tunicate origin

    This article has been reviewed in accordance with Science X’s editorial process and policy. The editor focuses on the following features while ensuring the reliability of the content: Check the facts Peer-reviewed publications prove agree! By Harvard University, Department of Organizational and Evolutionary Biology Artistic reconstruction of Megasiphon thylakos, a benthic organism that lives directly…