Ramon Diaz-Arrastia of the Perelman School of Medicine says that concussions are happening more often as the U.S. population continues to age.

Dan Taylor of the Wharton School says that any discussion for a capital raise by Silicon Valley Bank CEO Greg Becker would be highly problematic if it occurred at the time the share-sale plan was adopted.

Kathleen Hall Jamieson of the Annenberg Public Policy Center says that it would be useful for Fox News to make a clear statement that the news division has complete and total autonomy from the rest of Fox.

Jasmine Henry of the School of Arts & Sciences says that the Grammys honor Black artists just enough to say that they did, not enough to produce truly equitable results.

Research by Marissa King of the Wharton School found that during the pandemic people’s social networks decreased by an average of 16 percent, with most of the losses occurring among men.

“Elderflora: A Modern History of Ancient Trees,” a new book by Jared Farmer of the School of Arts & Sciences, is reviewed.

A study by Penn researchers working in physics, neuroscience, and bioengineering found that people instinctively seek patterns and similarities in the data they absorb.

Indira Gurubhagavatul of the Perelman School of Medicine says that school districts have adopted multitiered systems of start times to reduce busing costs.