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  • Celebrating Earth Week at Penn

    Organized by Penn Sustainability, Earth Week runs April 17-23 and will include dozens of events centered on the themes of environmental justice, climate, and nature-based solutions.
    People dig in the soil along a sidewalk in preparation for planting a tree
    Members of the Penn community participate in a tree planting event during Earth Week 2022. This year, groups from around campus are organizing nearly 40 different events to celebrate the planet, from litter cleanups to discussion panels.
    (Image: Kylie Cooper)

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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