From BrandeisU https://twitter.com/BrandeisU on Twitter: [WATCH] # makes up 85% of the universe. It's all around us, but we know nothing about it. # scientists traveled a mile underground to answer one big question - what is dark matter? Read more: https://www.brandeis.edu/now/2019/june/dark-matter-research.html @BrandeisDark @BjoernPenning https://twitter.com/BrandeisU/status/1138876394287640576/video/1 https://chirp.cooleysekula.net/attachment/58469