Science Libraries IM reference service unavailable 10/21

The UCB Science Libraries IM reference service will be unavailable on Friday, October 21st. This popular service is normally available Monday-Friday from 1pm-5pm; the service will resume regular hours on Monday, October 24th.

Immediate chat reference help will still be available through the collaborative 24/7 Ask a Librarian service. For questions about a specific science library on campus, call or email the library directly.