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Pattern recognition receptors (PRRs) are expressed by cells in the body in order to sense molecules that are associated with infection or tissue damage. They are important for activating the immune ...

UNIVERSITY PARK, Pa. (WTAJ) — Despite being suspended by Penn State for serious hazing violations, the Sigma Pi fraternity is continuing to operate off campus without university recognition. The ...

WASHINGTON (AP) — President Donald Trump is facing warnings from foes and allies alike that he’s getting boxed in on the Iran war, a conflict he sold as a brief military incursion but that has since ...

Prosopagnosia, or face blindness, happens when you can’t identify a person’s face. Most people with prosopagnosia are born with it. They’ll continue to have the condition throughout most or all of ...