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World news
Dark matter in a simulated universe.
Dark matter in a simulated universe.Tom Abel / Ralf Kaehler (KIPAC, SLAC), AMNH

How do we know dark matter exists if it can’t be detected?

Marina Cermeño Gavilán

Since Vera Cooper Rubin’s breakthrough in 1977, a wealth of evidence has been accumulated through astronomical observations at different scales, from galaxies and clusters to the cosmic microwave background radiation

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Bhopal: Dark tourism at the scene of the worst industrial disaster in history

Benjamin Yadav / Beatriz Lecumberri|Bhopal, India

Victims’ advocacy organizations continue to demand fair compensation and criticize the tourist use of the factory 40 years after the tragedy. Some 22,000 people have died since 1984, half a million suffer from aftereffects, and this area of India remains a danger to the health of its inhabitants

Victims of the toxic gas leak at the Union Carbide plant in the Indian city of Bhopal, December 1984.
Victims of the toxic gas leak at the Union Carbide plant in the Indian city of Bhopal, December 1984.GETTY
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