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Is Huawei a national security threat?

Christopher Yoo, professor of law, communication, and computer and information science, describes why the Chinese technology company has become a hot topic of conversation in national security circles.
Huawei headquarters building made of blue glass with Huawei written on its exterior
Vilnius, Lithuania, headquarters for Huawei. 

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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