external In the Media September 18, 2022 Nikodem Poplawski, distinguished lecturer and coordinator of physics, comments on the idea that dark matter is composed of primordial black holes. https://dailygalaxy.com/2022/09/the-weird-existence-of-primordial-black-holes-in-the-early-universe-harvard-smithsonian-center-for-a/ nikodem-poplawski news-all news-in-the-media year-2022 month-september name-nikodem-poplawski