Astronomers have observed massive time dilation in the earliest universe. What does this tell us about our universe? Dr. Geraint Lewis joins John Michael Godier to discuss this and ideas like will the universe ever simple stop existing? Astronomers observe time dilation in early universe https://www.theguardian.com/science/2023/jul/03/astronomers-observe-time-dilation-in-early-universe Did time really run more slowly? https://www.geraintflewis.com/post/but-did-time-really-run-more-slowly