Skip to Content Skip to Content

China’s national security law for Hong Kong, explained

Director of the Center for the Study of Contemporary China Jacques deLisle weighs in on the ongoing tensions between Hong Kong and mainland China.
Colorful umbrellas gathered on street
A scene of protests from August 2019. Umbrellas have been used in protests to block tear gas and become symbolic among Hong Kong protesters. 

Recent Articles

  • More Articles
  • Nanoparticle blueprints reveal path to smarter medicines
    Hannah Yamagata, Research Assistant Professor Kushol Gupta and postdoctoral fellow Marshall Padilla, holding 3D-printed models of nanoparticles in a lab.

    (From left) Doctoral student Hannah Yamagata, research assistant professor Kushol Gupta, and postdoctoral fellow Marshall Padilla holding 3D-printed models of nanoparticles.

    (Image: Bella Ciervo)

    Nanoparticle blueprints reveal path to smarter medicines

    New research involving Penn Engineering shows detailed variation in lipid nanoparticle size, shape, and internal structure, and finds that such factors correlate with how well they deliver therapeutic cargo to a particular destination.

    Nov 12, 2025

    Monumental sculpture celebrated on Penn’s campus
    The Rui Rui sculpture on campus.

    nocred

    Monumental sculpture celebrated on Penn’s campus

    A generous gift from alumni Glenn and Amanda Fuhrman brings the work of internationally acclaimed artist Jaume Plensa to the University of Pennsylvania. The latest addition to the Penn Art Collection expands Philadelphia's public art.

    Nov 11, 2025

    A massive chunk of ice, a new laser, and new information on sea-level rise
    A researcher walking through a glacier in Greenland.

    nocred

    A massive chunk of ice, a new laser, and new information on sea-level rise

    For nearly a decade, Leigh Stearns and collaborators aimed a laser scanner system at Greenland’s Helheim Glacier. Their long-running survey reveals that Helheim’s massive calving events don’t behave the way scientists once thought, reframing how ice loss contributes to sea-level rise.

    Nov 4, 2025