A new study of the Gobi Wall in the Gobi highland desert of Mongolia reveals a multifunctional role beyond defense; data from the James Webb Space Telescope is bringing physicists closer to resolving the Hubble tension; and a U.S.-based team of astronomers stumbled on a new dwarf planet in the outer solar system while searching for Planet Nine.
Saturday Citations: Wages vs. welfare; origins of teeth; a search for primordial black holes
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