Latest University of Pennsylvania School Stories

2005-08-18 14:25:00

Otters cavorting in the water is a scene with which we’re all familiar. Yet, unlike many other mammals that spend a considerable amount of time in the water–polar bears, seals, dolphins, and whales–river otters do not have a thick layer of body fat to keep warm. They rely, instead, on a few unique adaptations; namely, their fur and the densely packed layer of specially adapted underhairs.

2005-08-10 01:19:06

In a commentary piece in the August 10th issue of the Journal of the American Medical Association, Scott D. Halpern, MD, PhD, of the University of Pennsylvania School of Medicine, calls for a revision of existing state laws so that HIV-testing may be carried out when patients are not able to give their direct consent for such testing.

2005-08-01 19:15:11

Researchers from the University of Pennsylvania School of Medicine found that a protein called NF-Ya activates several genes known to regulate the development of hematopoietic stem cells (HSC), or blood-producing stem cells, in bone marrow.

2005-08-01 18:44:00

Researchers from the University of Pennsylvania School of Medicine have found that inhibitors of an enzyme called cathepsin L prevent the SARS (severe acute respiratory syndrome) virus from entering target cells. SARS is caused by an emergent coronavirus. There is no effective treatment at this time.

2005-07-08 18:50:00

Researchers at the University of Pennsylvania School of Medicine have determined how serotonin decreases the body's sensitivity to light and that exposure to constant darkness leads to a decrease in serotonin levels in the brain of fruit flies.

2005-06-23 19:20:00

For the first time ever, using \"laser tweezers,\" the mechanical properties of an individual fiber in a blood clot have been determined by researchers at the University of Pennsylvania School of Medicine. Their work provides a basis for understanding how the elasticity of the whole clot arises.

2005-06-01 06:44:36

Almost 47 million Americans don't have rapid access to specialized trauma treatment centers should they get hurt in a serious accident, a national survey finds.

Word of the Day
  • A hairdresser.
The word 'friseur' comes from French friseur, from friser ("to curl, frizz").