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  • Dark Energy Survey uncovers clues to universe’s complexity

    The decade-long effort reveals findings consistent with standard cosmological models, but open to more complex interpretations.
    The image is a composite of Kepler's supernova remnant, showing a spherical cloud of debris in purple and pink X-ray wavelengths with a blue optical edge, set against a starry black space background.
    The image here depicts Kepler’s supernova remnant, captured through a blend of X-ray and optical wavelengths. This remnant originates from a Type Ia supernova, a type of supernova that serves as a tool for measuring distances on a cosmic scale.
    (Image: Courtesy of NASA/CXC/SAO/D. PATNAUDE; (OPTICAL) DSS)

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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