The DNA methyltransferase DNMT1 is essential for cell viability in various mouse models, but gene targeting in human tumor cells results in a viable line. This dilemma has now been resolved using a ...

LIBRARIES UPDATE: Our Prospector service is currently down due to an upgrade. We hope to have the service fully restored as soon as possible. Thank you for your patience. UW Libraries team members ...

The Library Company reading room on Juniper Street in Philadelphia c. 1935, one of the group’s main locations from 1880 to 1935. The Library Company of Philadelphia Founding father Benjamin Franklin ...