News
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EcosystemsCoastal dead zones expanding
The number of coastal areas known as dead zones is on the rise. A new tally reports more than 400 of the oxygen starved regions worldwide.
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LifeBacteria use poison to make food
Bacteria from Mono Lake conduct photosynthesis with arsenic, a form of the process that may be a relic of life on Earth before the advent of an oxygen atmosphere.
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Health & MedicineHeart to heart
Successful heart transplant experiment in infants draws attention to debate on defining death of organ donors.
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PhysicsInvisible hand, and a quick one at that
God doesn’t play dice, Einstein said in his critique of quantum theory.