universe

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Could dark matter have triggered the extinction of the dinosaurs? Do extra dimensions exist? And what comes after the discovery of the Higgs boson? Harvard University’s Lisa Randall ponders the strange nature of the Universe.

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Eminent Australian astronomer Ken Freeman – an expert on the invisible dark matter pervading the universe – will be awarded the Dirac Medal at UNSW this week and deliver the 2016 Dirac Lecture.

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In a video interview, the famous American astrophysicist discusses time and asteroids, city life and selfies – and the latest discoveries about Tim Tams.