Q&A

In a Q&A, Penn demographer Michel Guillot discusses recent work showing that male children of immigrants from Algeria, Morocco, and Tunisia have a mortality rate nearly double that of the native population in France.

Kathryn O’Connor, an assistant professor of clinical orthopaedic surgery at the Perelman School of Medicine, gives the ins and outs of Achilles tears.

The Penn Memory Center’s Sanjeev Vaishnavi discusses the progress and setbacks made in Alzheimer’s research in the past five years.

A Q&A with biomaterials engineer Shu Yang about the real-life technologies and research that could allow people to climb up walls and synthesize their own superstrong spider silk.

In Pennsylvania and hundreds of other locations around the country, manmade chemicals known as PFAS have been found in drinking water. Howard Neukrug discusses the potential harm, how local and federal agencies are responding, and the many related questions that remain unanswered.

Sudanese scholar Ali Ali-Dinar, a senior lecturer in the Department of Africana Studies, discusses the ongoing uprising in the East African country and the Sudan massacre.

Philip Gehrman of the Penn Sleep Center offers an explanation—and explores some other recent questions posed by sleep scholars.

Political scientist Avery Goldstein discusses the mood in Beijing this week, and how the regime has suppressed the history of the crackdown.

In a conversation with Rachel Kyte, the U.N. special representative and CEO of Sustainable Energy for All discusses how this energy sector has changed in the past decade and what happens when political will doesn’t match the science.

A new memoir by Lorene Cary, “Ladysitting: My Year with Nana at the End of Her Century,” describes the year she spent caring for her grandmother in her home.