Editors' Summary: This Replication Study did not reproduce those experiments in the original paper that it attempted to reproduce.

The association between the bacterium Fusobacterium nucleatum and human colon cancer is more complicated than it first appeared.

Oral bacteria colonize the gut more frequently than previously thought.

Microbial populations are continuous along the gastrointestinal tract, with increased transmission in colorectal cancer and rheumatoid arthritis patients.

A multidimensional chemical mapping strategy enables confident determination of the structures of non-coding RNAs at 1-nm resolution, including previously intractable riboswitch and human regulon states.

Investigating reproducibility in preclinical cancer research.