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New minor planets beyond Neptune
a telescope dome bathed in red light with the milky way galaxy behind it

New minor planets beyond Neptune

This updated catalog of trans-Neptunian objects and the methods used to find them could aid in future searches for undiscovered planets in the far reaches of the solar system.

Erica K. Brockmeier

Power to the protest: Daniel Gillion on protest movements
rendering of cartoon humans in line with flags and protest signs waiting to climb a ladder to stuff their vote into a life-size ballot box

Power to the protest: Daniel Gillion on protest movements

The political science professor’s new book, “The Loud Minority,” traces the impact of protest movements on legislation, voting, and other aspects of American democracy.

Penn Today Staff

The biology of coronaviruses: From the lab to the spotlight
Gloved hands hold a dropper over a tray of glass vials in a lab

The biology of coronaviruses: From the lab to the spotlight

The recent coronavirus outbreak, COVID-19, has been swift, but according to microbiology professor Susan Weiss, it didn’t come out of nowhere. Coronaviruses have been around for a long time, and new strains have transformed and may continue to emerge.

Penn Today Staff

Penn is fighting pancreatic cancer
penn medicine doctor looking at sample

Penn is fighting pancreatic cancer

Researchers within the Penn Pancreatic Research Center and beyond continue to seek innovative ways to treat and detect this deadly disease—and are making promising progress.
At the dental school, the dietitian is in
A dietitian shows a nutrition label to a person in a dental clinic

Matthew Whipple, a registered dietitian, consults with patients in clinics at Penn's School of Dental Medicine. (Image: Penn Dental Medicine)

  • Q&A

    • At the dental school, the dietitian is in

    Matthew Whipple, a registered dietitian at the School of Dental Medicine, consults with patients in clinics and educates students about the importance of spreading nutrition advice. He also cooks up a mean chicken and sausage gumbo.

    Katherine Unger Baillie

    The facts on coronavirus testing
    Abstract vector coronavirus illustration

    The facts on coronavirus testing

    FactCheck.org explains how testing works, what happened with the CDC’s coronavirus test and what’s known about how many tests are available in the U.S.

    Penn Today Staff

    The lobster mac ‘n’ cheese mystery: Why brands mix high with low
    Fancy table setting with velvet chairs, white tablecloth, and gilded leaf wall hangings

    The lobster mac ‘n’ cheese mystery: Why brands mix high with low

    Wharton's Jonah Berger discusses his research on why brands mix downscale elements with higher-end goods. Berger describes what he calls a “trickle round” effect, whereby status signals move directly from low-end to high-end before diffusing to the middle.