Louise Moncla of the School of Veterinary Medicine says that avian flu viruses are being spread far geographically because of wild migratory birds.

An analysis from the Penn Wharton Budget Model found that current retirees would benefit at the expense of future generations if taxes were eliminated on Social Security benefits.

Susan Wachter of the Wharton School says that slower expectations on economic growth and increased risk of a recession could be causing the 10-year Treasury rate to decline.

A study by postdoc Natalia Kononov of the Wharton School suggests that kindness and helpfulness can make someone more attractive, regardless of the situation or relationship.

Jesús Fernández-Villaverde of the School of Arts & Sciences says that the world population will peak in 2055, followed by a systematic decline at a rapid rate.

Jeremy Siegel of the Wharton School says that weakening economic growth could cause rate cuts to arrive earlier than expected, providing a cushion for equities in the second half of the year.

Sandy Capaldi of the Perelman School of Medicine says that specific phobias develop after a person experiences a traumatic event or a panic attack that leads to a self-reinforcing fear of that scenario.