University of North Carolina Health Care

Immunology

Skin and immune cells coordinate defenses against assault

As the human body's largest organ, the skin is responsible for protecting against a wide range of possible infections on all fleshy surfaces, from head to toe. So how exactly does the skin organize its defenses against such ...

Evolution

Shuvuuia: A dinosaur that hunted in the dark

Today's 10,000 species of birds live in virtually every habitat on Earth, but only a handful have adaptations enabling them to hunt active prey in the dark of night. Scientists have long wondered whether theropod dinosaurs—the ...

Medical research

New evidence links gut bacteria and neurodegenerative conditions

Neurodegenerative diseases such as Alzheimer's, Parkinson's and ALS affect millions of adults, but scientists still do not know what causes these diseases, which poses a significant roadblock to developing treatments or preventative ...

Astronomy

Physicists describe new type of aurora

For millennia, humans in the high latitudes have been enthralled by auroras—the northern and southern lights. Yet even after all that time, it appears the ethereal, dancing ribbons of light above Earth still hold some secrets.

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