Katherine Unger Baillie

It’s called bird flu for a reason. Particular characteristics about the influenza virus known as H5N1 allow it to primarily affect avifauna, though in some worrying cases the disease has been passed to humans.

The Ebola virus acts fast. The course of infection, from exposure to recovery, or death, can take as little as two weeks. That may not leave enough time for the immune system to mount an effective response.

Students in Mike McGraw’s course spend time learning cold, hard facts in the classroom. But they also spend time in less traditional settings.

People with lupus, an autoimmune disease, suffer from fatigue, joint pain and swelling and also have a markedly increased risk of developing osteoporosis. Clinical trials have shown that receiving a transplant of mesenchymal stem cells can greatly improve the condition of lupus patients, yet it has not been clear why this treatment strategy works so well.

For Sunday Akintoye, an associate professor in the University of Pennsylvania’s School of Dental Medicine, his recent selection as a Fulbright Scholar to Nigeri

More and more, scientists have realized that DNA is not the only way that a parent can pass on traits to their offspring. Events experienced by a parent over a lifetime can also have an impact.

A team led by the School of Veterinary Medicine and the Scheie Eye Institute at the Perelman School of Medicine has shown that they can cure the canine form of X-linked retinitis pigmentosa (XLRP), a severe blinding disease, over the long term, even when the

While new evidence suggests that Mars may harbor a tiny amount of liquid water, it exists today as a largely cold and arid planet. Three billion years ago, however, the situation may have been much different.

While new evidence suggests that Mars may harbor a tiny amount of liquid water, it exists today as a largely cold and arid planet. Three billion years ago, however, the situation may have been much different.

Because plants cannot pick up and move, they have evolved a plethora of strategies to cope with environmental stresses, whether they bring a harsh spell of drought or a browsing deer.