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Most of the viruses present in people’s guts are bacteriophages, but how they interact with resident bacteria is still an open question.

The utility company PG&E has cut electricity to much of the Bay Area as a preventive measure.

A device that illuminates and oxygenates blood outside of the body before pumping it back in removes the gas by freeing hemoglobin from CO.

Federal grant support for technology transfer at universities will strengthen the national innovation system.

All six calves inherited the gene for preventing horn growth, but four also got a piece of the plasmid used to introduce the sequence to their dad—complicating regulatory approval.

In brain samples from people with Alzheimer’s disease, the protein aggregates more strongly bound proteins involved in processing RNA, the same study finds.

Experimental surgeries to prevent seizures may help scientists understand the link between autism and epilepsy.

Conflicting results on the existence of new neurons in adults have researchers designing new ways to identify and count neuronal progenitors—and finally get to the bottom of neurogenesis.

The effects of the therapy in a small group of  patients were long-lasting, researchers say, adding to evidence that the approach works for treatment-resistant depression.

This is the first time sugars have been found connected to RNA molecules, suggesting a new role for RNA.

For the Physiology or Medicine award, Peter Ratcliffe, William Kaelin, and Gregg Semenza are credited with figuring out molecular and genetic responses to oxygen levels.

The machine cannot be used outside of the lab yet, but the results are promising.