News
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ChemistryProtein’s structure lights the way
Forty years after the discovery of aequorin in a jellyfish, the structure of this calcium-tracking, glowing protein is resolved.
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ChemistryClearing the air on dirty art
Air-pollution damage to artworks may accumulate more stealthily than conservationists thought, suggesting that art exhibitors need to step up protection against such damage.
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AstronomyNewfound Galaxy Goes the Distance
Astronomers have discovered a galaxy so remote that the light reaching Earth left the body some 13.6 billion years ago, making it the most distant object ever detected.
By Ron Cowen -
Health & MedicineSalt trial provokes DASH of skepticism
Though a new study finds that dramatic salt restriction can lower blood pressure, even among people without hypertension, some critics challenge its value in setting new dietary guidelines for all adults.