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  • Natural Sciences
  • The flower that blooms in the winter

    The witchhazel is a species of flower that blooms in cold temperatures and lives around campus, and in abundance at the Morris Arboretum. The Arboretum’s Anthony Aiello talks the ins and outs of the strange species.
    Rubin red variety of witchhazels
    The Hamamelis × intermedia variety of witchhazels, also known as Rubin. (Photo courtesy: Morris Arboretum)

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  • A world shaped by water and access
    Three people test water below a sand dam.

    Griffin Pitt, right, works with two other student researchers to test the conductivity, total dissolved solids, salinity, and temperature of water below a sand dam in Kenya.

    (Image: Courtesy of Griffin Pitt)

    A world shaped by water and access

    Griffin Pitt’s upbringing made her passionate about water access and pollution, and Penn has given her the opportunity to explore these issues back home in North Carolina and abroad.

    Oct 8, 2025