What is Dark Matter? A New Clue!

Scientists may have found clues to the nature of dark matter in a signal from the universe’s first stars.
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Here is the research paper: https://www.nature.com/articles/nature25792
Authors: Judd D. Bowman, Alan E. E. Rogers, Raul A. Monsalve, Thomas J. Mozdzen & Nivedita Mahesh

This evidence seems to suggest that the dark matter is particles that are less than four times the mass of a proton and are moving at non-relativistic speeds. This is consistent with dark matter particles being so-called WIMPs: https://en.wikipedia.org/wiki/Weakly_interacting_massive_particles.

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Credits
Host, Producer: Greg Kestin
Researchers: Greg Kestin, Samia Bouzid
Writers: Greg Kestin, Samia Bouzid
Scientific Consultant: Douglas Finkbeiner
Editorial input from: Julia Cort, Ari Daniel
Filming: Greg Kestin
Animation and Editing: Greg Kestin
Special thanks: Avi Loeb, entire NOVA team
Media Courtesy of: NASA, ESO, and CERN
From the producers of PBS NOVA © WGBH Educational Foundation
Funding provided by FQXi
Music provided by APM