School of Veterinary Medicine

As scientists probe the molecular underpinnings of why some people are prone to obesity and some to leanness, they are discovering that weight maintenance is more complicated than the old “calories in, calories out” adage.

WHO: James SerpellDirector, Center for the Interaction of Animals and Society, andMarie A. Moore Professor of Ethics & Animal Welfare

Many factors, both genetic and environmental, have been blamed for increasing the risk of a diagnosis of schizophrenia. Some, such as a family history of schizophrenia, are widely accepted. Others, such as infection with Toxoplasma gondii, a parasite transmitted by soil, undercooked meat and cat feces, are still viewed with skepticism.

Almost anyone who has spent time in a hospital is familiar with the routine checks of blood pressure and oxygen levels that serve as signposts of a patient’s overall health. But these measures only reflect the pulsing of blood through the large vessels, arteries and veins, not the smaller arterioles, venules and capillaries, which directly feed tissues and cells.

Every morning this past July, Max Emanuel, a veterinary student at the University of Pennsylvania, would get up and drive to work. But Emanuel’s was no run-of-the-mill morning commute.

As long as humans have been alive, they’ve been seeking ways to extend life just a little longer. So far no one has found the fountain of youth, but researchers have begun to understand how humans age, little by little, offering hope for therapies that may blunt the effects of time on the body.

Dinosaurs are often depicted as giant, frightening beasts. But every creature is a baby once. A new examination of a rock slab containing fossils of 24 very young dinosaurs and one older individual is suggestive of a group of hatchlings overseen by a caretaker, according to a new study by University of Pennsylvania researchers.

WHO:            Amy Gutmann, president of the University of Pennsylvania, and incoming freshmen WHAT:          Move-in for Penn's Class of 2018 WHEN:          Aug. 22, 2014, 11am

The best way to cure most cases of cancer is to surgically remove the tumor. The Achilles heel of this approach, however, is that the surgeon may fail to extract the entire tumor, leading to a local recurrence.

By Madeleine Stone  @themadstoneLisa Gretebeck always knew she wanted to be a veterinarian. Like many aspiring young vets, Gretebeck was first attracted to the career through her love for animals.