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  • Revealing the mysterious biology of a fundamental process: reproduction

    New findings from the lab of P. Jeremy Wang in the School of Veterinary Medicine shed light on the cell division process that creates eggs and sperm, recurrent pregnancy loss, and the mechanism by which sperm move.
    Side by side images show abnormal clustering of chromosomes, labeled with florescent purple and yellow
    P. Jeremy Wang and colleagues explore meiosis, the special type of cells division that gives rise to germ cells, sperm and eggs. In one recent study, inactivating the gene YTHDC2, which is required for meiosis to progress through all of its proper stages, led to an odd clustering of chromosome ends (at right). (Image: Courtesy of the Wang laboratory)

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  • From a desert to an oasis: Penn engages in ambitious greening effort in the Sahel
    People gather around a large map placed on the floor.

    In Senegal, the ambitious Dakar Greenbelt project seeks to create an extensive network of ecological infrastructure in and around the city to sustainably address environmental concerns and enhance urban life. With support from David Gouverneur and Ellen Neises, Ph.D. candidate Rob Levinthal in the Weitzman School of Design led two courses that included a field trip to Dakar, that culminated in students presenting their visions for parts of the Greenbelt.

    (Image: Courtesy of Chaowu Li)

    From a desert to an oasis: Penn engages in ambitious greening effort in the Sahel

    Students from the Weitzman School of Design journeyed to Senegal to help with a massive ecological and infrastructural greening effort as part of their coursework. The Dakar Greenbelt aims to combat desertification and promote sustainable urban growth.

    Jan 31, 2025