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  • Arthur Ross Gallery to launch America 250 exhibition this fall

    ‘At Liberty: Life in the City of Brotherly Love During the Early Republic’ will be on view Aug. 28 through Dec. 13. The fall exhibition, located in the Arthur Ross Gallery, will consider the role of visual culture and perceptions of Philadelphia during the era of the Revolution.

    1 min. read

    Attributed to John Lewis Krimmel (1786–1821), “Nightlife in Philadelphia—an Oyster Barrow in front of the Chestnut Street Theater” (1811–ca. 1813). Formerly attributed to Pavel Petrovich Svinin (1787/88–1839). Watercolor and Graphite on white laid paper. Metropolitan Museum of Art, New York City.
    The painting “Nightlife in Philadelphiaan Oyster Barrow in Front of the Chestnut Street Theater,” depicting people eating oysters on the street in Philadelphia in the 18th century.

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  • Tracing an ancient blue across the ancient world
    Examples of cross sections of Egyptian blue samples.

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    Tracing an ancient blue across the ancient world

    Penn researchers Vanessa and Alexis North are studying one of the largest collections of Egyptian blue objects ever found in the ancient Near East, shedding new light on how the world’s first synthetic pigment may have traveled far beyond Egypt.

    Aug 10, 2026

    A new role for dental providers? Rethinking where vaccines are given
    Dental provider talking to a patient.

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    A new role for dental providers? Rethinking where vaccines are given

    Vaccinations have traditionally been administered in primary care settings or pharmacies. However, for about a decade, some states have authorized dentists to administer vaccines, and many others did so during the COVID-19 pandemic. The effectiveness of this approach has led some countries and states to expand or consider expanding the role of dental providers in delivering routine vaccines, including those against COVID-19 and the human papillomavirus (HPV), and in providing vaccine education.

    Jul 28, 2026

    Penn student develops a way for computer chips to run more efficiently
    Nhlanhla Mavuso looking at an electronic board in the Moore Building.

    Nhlanhla Mavuso of Fluid Silicon at work in the Moore Building.

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    Penn student develops a way for computer chips to run more efficiently

    Fluid Silicon, a platform from President’s Sustainability Prize winner Nhlanhla Mavuso, allows computer chips to continuously monitor their health and self-tune as their characteristics change. The technology has the potential to reduce energy usage in data centers and improve reliability in mission-critical applications.

    May 5, 2026