Displaying 861 - 870 of 879 articles
Nano-Noses at Penn Science Cafe
July 17, 2013
Physicist Charlie Johnson connects the biological to the digital, using graphene and carbon nanotubes to turn chemical interactions into electrical signals. Johnson will explain how attaching biological structures, such as antibodies, to these flat or rolled-up lattices of carbon atoms has enabled him and his colleagues to build new kinds of sensors, detecting things like Lyme disease bacteria.
Penn Study Shows Vascular Link in Alzheimer's Disease with Cognition
July 9, 2013
Researchers in the Perelman School of Medicine at the University of Pennsylvania found that, across a variety of neurodegenerative diseases, cerebrovascular disease affecting circulation of blood in the brain was significantly associated with dementia.
Penn Students Are Consultants for Medical Clinic in Kazakhstan
June 24, 2013
University of Pennsylvania student volunteers cover enormous distances for charitable missions during the summer, and in the past several weeks a group of four has included Kazakhstan in the list. 
Penn Researchers Design Variant of Main Painkiller Receptor
June 17, 2013
Opioids, such as morphine, are still the most effective class of painkillers, but they come with unwanted side effects and can also be addictive and deadly at high doses.
Penn Study Finds Stressed Dads Can Affect Offspring Brain Development
June 12, 2013
Sperm doesn’t appear to forget anything. Stress felt by dad—whether as a preadolescent or adult—leaves a lasting impression on his sperm that gives sons and daughters a blunted reaction to stress, a response linked to several mental disorders. 
Penn Researchers Investigating the Mystery of a Tiny 'Sin'
June 7, 2013
When a strain of bacteria invades a human body, the immune system responds by generating antibodies to neutralize the threat.
Penn Research Identifies Bone Tumor in 120,000-Year-Old Neandertal Rib
June 5, 2013
The first-known definitive case of a benign bone tumor has been discovered in the rib of a young Neandertal who lived about 120,000 years ago in what is now present-day Croatia. The bone fragment, which comes from the famous archaeological cave site of Krapina, contains by far the earliest bone tumor ever identified in the archaeological record.
Free Penn Online Course Offers Lessons on Growing Old
June 4, 2013
A new online course taught by a University of Pennsylvania nursing professor and a nursing educator focuses on aging well, life in an aging society, and seeks to answer that age-old question: how old is old?  
Penn Research Shows Way to Improve Stem Cells’ Cartilage Formation
June 3, 2013
Cartilage injuries are difficult to repair. Current surgical options generally involve taking a piece from another part of the injured joint and patching over the damaged area, but this approach involves damaging healthy cartilage, and a person’s cartilage may still deteriorate with age.
Two From Penn Win Pulitzer Center International Student Reporting Fellowships
May 29, 2013
In a pilot partnership with the University of Pennsylvania Africa Center, two Penn students have been named 2013 Pulitzer Center International Student Reporting Fellows.