Katherine Unger Baillie

Leaders of nations, businesses and academia gathered in a corner of Switzerland to meet promising young graduate students and foster dialogue on critical economic and political issues.

A doctoral student at the University of Pennsylvania has identified a new species of fossil dog. The specimen, found in Maryland, would have roamed the coast of eastern North America approximately 12 million years ago, at a time when massive sharks like megalodon swam in the oceans.

The human placenta is an organ unlike any other. During the course of nine months it is formed by the embryo, sustains life and then is shed.

Three graduate students from the University of Pennsylvania have been selected as Medical Research Fellows by the Howard Hughes Medical Institute.

As a species, domestic cats are often considered aloof, mysterious, and self-reliant. But on an individual level, cats come in all stripes: friendly, aggressive, fearful, needy, playful, and more.

In the Puerto Rican rain forest, a strong storm can drop a meter of rain in a single day. All that water rushes into mountain rivers and causes a torrent as the water overflows the riverbanks and charges downstream.

Atopic dermatitis, or AD, a chronic inflammatory skin condition and the most common form of eczema, is estimated to afflict as much as 10 percent of the population in the United States, and it is much more common now than it was 50 years ago. Veterinary clinical estimates also show that approximately 10 percent of dogs have atopic dermatitis.

The Association for Research in Vision and Ophthalmology has recognized the University of Pennsylvania’s William Beltran with the ARVO Foundation’s 2016 

With 35 percent of Americans reporting fewer than seven hours of sleep each night, sleep deprivation is a nationwide public health concern. Failing to get enough sleep can have significant mental and physical effects, among them, impaired memory formation.

Pulling an all-nighter may seem like a good way to cram before a test, yet science tells us memory suffers when sleep is sacrificed. A new study suggests that it doesn’t have to.