Do we know how long neutrinos can "live" for? That can depend on your frame of reference, and relativity can be complex. Neutrino physicist Dr. Kirsty Duffy explores the lifespan of neutrinos with guest theoretical physicist Dr. André de Gouvêa. Links: Neutrino Oscillations episode: https://www.youtube.com/watch?v=eBT1-dV1BTM Twin Paradox video with Don Lincoln: https://www.youtube.com/watch?v=vnGWDYfweTI Even Bananas playlist:    • Even Bananas   All Things Neutrino: https://neutrinos.fnal.gov/ Fermilab physics 101: https://www.fnal.gov/pub/science/particle-physics-101/index.html Fermilab home page: https://fnal.gov/​ Production Credits: Host: Kirsty Duffy Director/Editor: Ryan Postel Motion Graphics: Dan Svoboda Audio: Lynn Johnson Writers: Kirsty Duffy, Ryan Postel, André de Gouvêa, Caitlyn Buongiorno, Lauren Biron Guest: André de Gouvêa Science Consultants: Luke Pickering, Kurt Riesselmann Theme Song: Scott Hershberger