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  • ‘The climate girl’ at Penn

    In a Q&A with Xiye Bastida, the second year describes how she’s bringing climate activism to her college experience, how her Indigenous background influences her path, and why storytelling and protecting Earth go hand in hand.
    A college-age person standing outside, with greenery blurred in the front of the image. She is wearing a jean jacket with the words "Re-earth IN," a globe in the shape of a heart, and other earth-related designs.
    Second year Xiye Bastida, from San Pedro Tultepec, Mexico, has participated in Greta Thunberg’s Fridays for the Future movement. She and friends began the Re-Earth Initiative aimed at “reimaging the future, reconnecting with the planet, and redefining collaboration.” Despite six years of environmental activism under her belt, Bastida says she’s just getting started.

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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