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Historian Mary Frances Berry responds to the George Floyd protests

The professor of history and Africana studies speaks with Penn Today about protesting injustice, pushing for change, and the history of African American civil rights.
Mary Frances Berry
Mary Frances Berry, Geraldine R. Segal Professor of American Social Thought and a professor of history and Africana studies. (Image: Jim Abbott)

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  • Future mRNA vaccines may prevent food and seasonal allergies
    A table of common food allergens including shellfish, peanuts, legumes, eggs, and milk.

    Image: fcafotodigital via Getty Images

    Future mRNA vaccines may prevent food and seasonal allergies

    Early research from Penn Medicine finds a new mRNA vaccine stops allergens from causing immune reactions and life-threatening inflammation, with promise for future treatment for a variety of seasonal and food allergies.

    Sep 29, 2025

    Penn physicist Charles Kane to receive the 2026 Lorentz Medal
    Charles Kane

    Charles Kane, Christopher H. Browne Distinguished Professor of Physics at Penn’s School of Arts & Sciences.

    (Image: Brooke Sietinsons)

    Penn physicist Charles Kane to receive the 2026 Lorentz Medal

    Awarded every four years by the Royal Netherlands Academy of Arts and Sciences, the medal honors Kane’s pioneering research on topological insulators.

    Sep 4, 2025