Chemistry
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We summarize the week's scientific breakthroughs every Thursday.
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ChemistryEarth’s ‘boring billion’ years blamed on sulfur-loving microbes
A new study suggests these organisms could have kept oxygen levels low and waters toxic, stalling the evolution of complex life.
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LifeBetter sensing through empty receptors
A new model suggests cells may be more sensitive to their environment than previously thought.
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ChemistryThe element tin does what carbon will not
New bonding suggests scientists may need to rethink heavy metal chemistry.
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ChemistryChanging charges make for squid rainbow
Study finds how proteins self assemble in the cells of Loligo squid to reflect different wavelengths of light
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EcosystemsVenom attracts decapitating flies
New study may help scientists improve control of invasive fire ants
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ChemistryNose knows noxious gases
Dyes on a new sensor react to correctly identify toxic chemicals, scientists find.
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Chemistry50 million chemicals and counting
BLOG: Chemists race to keep up with a mushrooming proliferation of novel molecules.
By Janet Raloff -
ChemistryBlue halos of doom
Under ultraviolet light, rings around the brown spots in aging bananas may signal the transition from ripe to rotten, researchers say.
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ChemistryNew bond in the basement
Scientists identify a sulfur-nitrogen link, never before seen in living things, critical to holding the body together.
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HumansNew genes give gut bacteria antibiotic resistance
Scientists find new genes for antibiotic resistance in common bacteria in the human gut.
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ChemistryNitrous oxide fingered as monster ozone slayer
Nitrous oxide has become the leading threat to the future integrity of stratospheric ozone, scientists report.
By Janet Raloff -
ChemistryLeptin leads to hamster baby boom
High levels of leptin may tell mother hamsters to invest in larger litters, a new study suggests.