College of Arts and Sciences fourth-year Autumn Leak from Saddle River, New Jersey, is noted for directly competing against her twin sister, Audrey Leak, in women’s volleyball.

A survey by Joseph Turow of the Annenberg School for Communication and colleagues finds that most Americans don’t understand how online devices and services track users.

The Annenberg Public Policy Center’s FactCheck.org finds that at least five Republican lawmakers, including Speaker Kevin McCarthy, have already voiced opposition to a proposal that would dismantle the IRS and replace current forms of federal taxation with a 30 percent sales tax.

Matthew Levendusky of the School of Arts & Sciences and the Annenberg Public Policy Center says that heightening a sense of American national identity can reduce polarization and partisanship between opposing political parties.

H. Isaac Chen of the Perelman School of Medicine and colleagues are showing that human organoids implanted into rat visual cortices can respond to flashing visual stimuli.

The Wharton School’s Americus Reed says that disruptive moments like the economic changes of the past few years can reset habits.

A study co-authored by economists at Penn found that a longer school year showed an “extremely robust” association with higher student achievement.

In an Op-Ed, Dick Polman of the School of Arts & Sciences says that conservative ideologues haven’t learned from past threats about raising the debt ceiling.