Skip to Content Skip to Content
  • Science & Technology
  • What secrets might 2-million-year-old DNA hold?

    Scientists from Denmark recently extracted and sequenced the oldest-ever DNA, from permafrost in Greenland, revealing a robust ecosystem of 135 species. Penn Today spoke with four faculty members about the potential power of ancient DNA.
    Icy landscape in Greenland
    Genetic material extracted from permafrost in northern Greenland revealed the presence of a rich, warm, and vibrant ancient ecosystem in what is today a cold and rather barren landscape, offering promise for future scientific discovery based on ancient environmental DNA.

    Recent Articles

  • More Articles
  • 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

    An illuminating celebration to a brighter, greener future
    The exterior of the Vagelos building lit up with dramatic lighting.

    The new Vagelos Laboratory for Energy Science and Technology boasts adaptable laboratory spaces to support the dynamic needs of pioneering research.

    nocred

    An illuminating celebration to a brighter, greener future

    Members of the Penn community celebrated an energy research milestone: the unveiling of the new Vagelos Laboratory for Energy Science and Technology.

    Dec 12, 2024