Astrophysicist and author Hakeem Oluseyi talks with cosmologist Janna Levin in a new 10-episode podcast series, Particles of Thought, from GBH and the producers of NOVA. In August 2025, 2,171 ...
The accelerating expansion of the universe could be explained by modifying general relativity so that gravity has mass – or so thinks a small group of physicists. Matthew Francis reports What lies ...
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