News tagged with bond

'Divide and rule'—raven politics

Mythology has attributed many supernatural features to ravens. Studies on the cognitive abilities of ravens have indeed revealed that they are exceptionally intelligent. Ravens live in complex social groups ...

dateOct 31, 2014 in Plants & Animals
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Chemical biologists find new halogenation enzyme

Molecules containing carbon-halogen bonds are produced naturally across all kingdoms of life and constitute a large family of natural products with a broad range of biological activities. The presence of halogen substituents ...

dateSep 15, 2014 in Biochemistry
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Breaking benzene

Aromatic compounds are found widely in natural resources such as petroleum and biomass, and breaking the carbon-carbon bonds in these compounds plays an important role in the production of fuels and valuable ...

dateAug 27, 2014 in Materials Science
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Water molecules favor negative charges

(Phys.org) —In the presence of charged substances, H2O molecules favor associating with elements with a negative electrical charge rather than a positive electric charge. EPFL researchers have published ...

dateJul 16, 2014 in Materials Science
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Directly visualizing hydrogen bonds

Using a newly developed, ultrafast femtosecond infrared light source, chemists at the University of Chicago have been able to directly visualize the coordinated vibrations between hydrogen-bonded molecules—the ...

dateJul 15, 2014 in Materials Science
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Adhesive bonding with pre-applied adhesives

In industrial production, bonding plays an increasingly important role. Researchers have now succeeded in separating the processes of applying the adhesive and the actual joining, which opens up a new world ...

dateMay 21, 2014 in Engineering
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