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Evidence suggests that COVID-19 is primarily an airborne disease. Yet the details of how transmission occurs are still debated and frequently misunderstood.

A study shows that a molecule produced by intestinal microbes can enter the brain and that its presence is also associated with altered brain connectivity.

A new regulation and registry covering investigational medicinal products mandates reporting and supports multinational trials.

Umbilical cord blood may be a good alternative to bone marrow transplants for treating HIV in patients with HIV and cancer.

To manipulate the microbiome, researchers engineered a CRISPR delivery system that precisely targets bacteria in the mouse gut.

Research in mice and flies suggests that bacteriophages, including those found in dairy foods, may have an influence on an animals’ ability to learn and remember information.

A narrow Senate vote ends a 13-month period during which the agency has lacked a permanent commissioner.

Levels of pharmaceuticals considered unsafe for aquatic organisms were found at more than one-quarter of sampling sites.

Hundreds of people turned up to show solidarity with three grad students suing the university over a professor’s alleged misconduct, while faculty who had previously spoken in the professor’s favor walk back their support.

Corals that previously experienced heat stress respond better the next time around. Researchers are trying to figure out how, and hope to one day take advantage of the phenomenon to improve coral restoration efforts. 

The University of Southern California bioengineer studies how lizards regrow their tails, with the goal of one day inducing regeneration in humans.