Animals use specialized neurons in their brain known as grid cells to keep track of their physical location.

Evan Lerner ・March 10, 2016

Periodontitis, a gum disease present in nearly half of all adults in the United States, involves inflammation, bleeding and bone loss. In its severe form, it is associated with systemic inflammatory conditions such as atherosclerosis and rheumatoid arthritis.

Katherine Unger Baillie ・March 7, 2016

In the digital age, data is ubiquitous. The increasing ease with which every online interaction can be stored, compared and analyzed has transformed a wide swath of business and led to the formation of new ones.

Evan Lerner ・March 4, 2016

“Get up and move.”

Michele W. Berger ・February 25, 2016

Dentistry is often described as part art, part science. Geelsu Hwang, a research associate in the University of Pennsylvania School of Dental Medicine, wants to add engineering to the mix.

Katherine Unger Baillie ・February 25, 2016

In the criminal justice world, there’s an ongoing debate about whether to increase the age of majority, the point at which an adolescent can no longer be tried in the juvenile legal system and instead must be tried as an adult.

Michele W. Berger ・February 25, 2016

Ian Petrie is not a maritime historian. And none of the 12 students who enrolled in his freshmen seminar had substantive experience with handwritten 19th-century manuscripts.

Katherine Unger Baillie ・February 25, 2016

In one large metropolitan area, arraignment decisions made with the assistance of machine learning cut new domestic violence incidents by half, leading to more than 1,000 fewer such post-arraignment arrests annually, according to new findings from the University of Pennsylvania.

Michele W. Berger ・February 24, 2016