Page 2 - Howard Hughes Medical Institute

Medical research

Scientists find mechanism that triggers immune responses to DNA

(Medical Xpress)—Free-floating pieces of DNA in a cell's watery interior can mean bad things: invading viruses, bacteria, or parasites, ruptured cellular membranes, or disease. Genetic material is meant to be contained ...

Endocrinology & Metabolism

Study reveals brown fat's role in protecting blood sugar metabolism

While white fat stores calories, brown fat burns them. A new study, appearing in the journal Cell, reveals that brown fat improves metabolic health by providing nutrients important to other organs, rather than warming up ...

Medical research

Fighting fruit flies help researchers understand why we stay angry

It's one of those days. On the drive home from work, the car in the next lane cuts you off. You slam on the brakes, lay on the horn, and yell choice words at the offending driver. When you walk into your house half an hour ...

Neuroscience

Fruit flies offer clues to how brains make reward-based decisions

Like many collectors of L.P. records, James Fitzgerald's brother-in-law has a favorite store where he consistently finds the best vinyl for his collection. But there are times when he spends hours at the store and comes up ...

Diseases, Conditions, Syndromes

A human protein found in non-immune cells defends against COVID-19

Earlier this month, health authorities confirmed that BA.2.86, a highly mutated variant of the virus that causes COVID-19, is at risk of spreading rapidly in countries around the world. With updated shots rolling out this ...

Neuroscience

New theory better explains how the brain stores memories

How useful a memory is for future situations determines where it resides in the brain, according to a new theory proposed by researchers at HHMI's Janelia Research Campus and collaborators at UCL.

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