The John Bahcall Colloquium
Formerly the Deeper Talks series—in honor of Dr. John Bahcall.
The John Bahcall Colloquium is a monthly scientific colloquium hosted by The Institute for Underground Science at the Sanford Underground Research Facility (SURF), bringing together researchers from across the global scientific community. The series features talks spanning underground science, astrophysics, neutrino physics, and related fields, providing a forum for sharing new results, exchanging ideas, and fostering cross-disciplinary collaboration.
Event Details
The John Bahcall Colloquium is designed for a research-focused audience within the scientific community. Most attendees are specialists in the featured discipline, with researchers from related fields regularly contributing valuable interdisciplinary perspectives. Participants span all career stages, from undergraduate and graduate students to postdoctoral researchers and senior investigators, fostering an environment for scholarly exchange and mentorship.
- 2nd Wednesday of each month mostly virtual, with a few hybrid talks (see monthly schedule)
- 9:00 – 9:50 a.m. Mountain Time (40-minute talk followed by 10-minute Q&A)
Upcoming Talks
Past talks
Watch any of the videos in this playlist of past presentations.
About Dr. John Bahcall
Formerly known as the Deeper Talks series, the colloquium has been renamed to honor Dr. John Bahcall, whose scientific vision and mentorship left an enduring imprint on neutrino astrophysics and on SURF itself. Best known for developing the Standard Solar Model and advancing the solar neutrino problem, Bahcall also championed curiosity-driven research and the mentoring of young scientists—many of whom are now leaders in the field. Renaming the series in his honor reflects The Institute’s commitment to his legacy: advancing fundamental science, supporting the next generation of researchers, and cultivating a collaborative scientific community where discovery and mentorship remain central.