Summer picks: could the multiverse be real?

The film Everything Everywhere All at Once won the 2023 Academy
Award for Best Picture. In this episode from March 2023, just
before the Oscars, Ian Sample spoke to the theoretical physicist
and philosopher Sean Carroll about why we seem to be drawn to the
idea of multiple worlds, and what the science says about how the
multiverse might actually work. Help support our independent
journalism at theguardian.com/sciencepod