Katherine Unger Baillie

Ian Petrie is not a maritime historian. And none of the 12 students who enrolled in his freshmen seminar had substantive experience with handwritten 19th-century manuscripts.

Oriol Sunyer, a professor at the University of Pennsylvania School of Veterinary Medicine, has described fish as “an open gut swimming.” Their mucosal surfaces — their skin, digestive tract and gills — are in constant con

An estimated 30 percent of the world’s population is chronically infected with the parasite Toxoplasma gondii. Most people live with the infection without noticeable effect, but it can be life-threatening for people with suppressed immune systems, such as people on cancer therapies or who have HIV/AIDS.

This past Sunday, Animal Planet lured television viewers away from the Denver Broncos victory in Super Bowl 50 to watch puppies tussle over squeaky toys in Puppy Bowl XII. Later this year, however, the same network will showcase a different kind of challenge: the rigors of attaining a degree from the School of Veterinary Medicine.

The oral cavity is a complex landscape, cavernous and full of irregular structures. Using a two-dimensional X-ray to map its variations can only reveal so much. That’s why a technological revolution that has made three-dimensional imaging of the teeth and jaws easier and safer has ushered in a transformation of practice in the dental clinic.

Two University of Pennsylvania professors are coauthors, along with two other scholars, on a perspective piece published this week in the journal Science that calls for an end to the use of genetic concepts of race in biological research.

Men and women are subject to different vulnerabilities when it comes to health and disease. More men than women are diagnosed with autism, for example, while women tend to experience different heart attack symptoms from men.

Infectious disease can take a major toll on swine farms. Two diseases in particular have hit Pennsylvania hard over the last decade: porcine respiratory and reproductive syndrome (PRRS) and porcine epidemic diarrhea virus (PED).

The Associated Services for the Blind and Visually Impaired will recognize the University of Pennsylvania’s Gustavo D.