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  • Stem cell signaling drives mammary gland development and, possibly, breast cancer

    New research illuminates the biology of breast tissue development and may pave the way to new strategies for diagnosing or even treating cancer
    Chakrabarti.mammary gland.2018
    A Penn-led team identified Dll1, a signaling molecule as a marker of mammary gland stem cells, and one that plays a vital role in normal development of the mammary tissue. Above, a cross-section of a mouse mammary gland. (Image: Sushil Kumar and Rumela Chakrabarti)

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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