Michele W. Berger

As Hurricane Maria formed in the Atlantic, then turned into a powerful storm barreling toward Puerto Rico, Arjun Yodh watched the news closely.

In 1996, a new federal law called the Illegal Immigration Reform and Immigrant Responsibility Act included a provision, 287(g), which allowed for police officers and sheriffs to be deputized as immigration officers and to enforce immigration laws that were typically administered by federal agents.

By Ian McCurry

Researchers from the University of Pennsylvania and other international universities are working to save an invaluable scientific resource badly damaged during Hurricane Maria: a population of rhesus macaques living on a remote island, as well as the staff and facilities that support them.

Law school graduates often leave their programs burdened with debt that can top six figures. Research from the University of Pennsylvania and Ryerson University shows that this debt, coupled with recently stagnant median first-year salaries, can negatively influence the career choices and partner prospects for new female lawyers.  

What if with the click of a button, a clinician could improve and personalize a patient’s treatment for a mental illness like post-traumatic stress disorder, depression or panic disorder?

The 2017 Atlantic hurricane season, which runs through November, has already seen two of the strongest storms on record, with hurricanes Irma and Harvey bringing extreme winds, torrential rain and significant flooding to the population centers in their paths.

The idea that machine learning can aid in the enforcement of the law inspired a competition held by the National Institute of Justice. Using five years of data from the city of Portland, Ore., a team led by criminologist Charles Loeffler tied for first in the Large Business Division.

Laws of perception explain why people see the world the way they do.

Is gun violence contagious? According to new findings from Penn and the University of Oxford, the answer is mostly no. Rather, this violence is a chronic issue for particular neighborhoods and requires place-specific solutions.