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SpaceMetamaterials mock the heavens
Proposed materials offer a way for physicists to study black holes and chaotic planetary orbits in the laboratory.
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AstronomyNew images and spectra from a rejuvenated Hubble
Newly released images provide graphic evidence that repairs have transformed the Hubble Space Telescope into a brand new observatory.
By Ron Cowen -
Health & MedicineThe eyes remember
Eye movements may reveal memories that the hippocampus recalls even when a person isn’t aware of them, a new study shows.
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AgriculturePotato famine pathogen packs unusual, sneaky genome
DNA of infamous Phytophthora microbe reveals big, quick-changing zones, possibly the key to the pathogen’s vexing adaptability
By Susan Milius -
EarthAtmospheric rollercoaster followed Great Oxidation Event
Analyses of chromium isotopes in banded iron formations suggest oxygen levels fell for a period after the Great Oxidation Event.