News – Page 636
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Nanoscale scales
Sensor that detects mass of particles in a liquid to within one thousandth of a millionth of a millionth of a gram
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Tomatoes once tasted like cucumbers
Wild tomatoes may have lost their unusual flavour when the fruit was domesticated
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AstraZeneca scoops up $15.6 billion vaccine business
UK drug company, AstraZeneca buy MedImmune in 'ferociously competitive' deal to boost vaccine portfolio
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Researchers 'see' catalyst molecules at work
Scanning tunneling microscope reveals how a porphyrin molecule catalyses oxidation of alkenes
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Hirsch index ranks top chemists
Who's up? Who's down? Just check the chart of scientists' greatest hits
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Pesticide filter debuts in India
Water purifier uses metal nanoparticles to remove dissolved pesticide residues
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Superhard material made at ambient pressure
A synthetic material to rival the hardness of diamond
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Storm in a buttercup
Two research teams have solved a 70-year-old mystery: what makes plants flower? A third team has been forced to withdraw its publication proposing an alternative theory
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Beating nanorods mimic lung defence
Hair-like polymer nanorods that wiggle and bend under magnetic fields illustrate how the lung defends itself
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Bioethanol fuel 'as big a health risk as gasoline'
Computer model suggests that 'clean' bioethanol has significant health and pollution risks.
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Chemical test foils organic food fraud
Nitrogen isotope ratios can distinguish some organic crops from conventionally-grown equivalents.
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NewsPreserved T. Rex proteins assist evolution studies
68-million-year-old collagen matches proteins in modern chickens
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A dog's life
'Life-long dog study' provides a unique data set showing direct links between diet and longevity in large animals.