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Wing shape helps swifts glide through storms

They are among nature's best fliers, spending most of their time in flight … now scientists have shed new light on how swifts can glide with ease, whatever the weather. A new study suggests that the aerodynamics of swifts' ...

dateAug 23, 2017 in Plants & Animals
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Systematically studying slippery surfaces

Betaines are materials with both a positively charged functional group and a negatively charged functional group linked by an alkyl chain spacer. This combination of functional groups causes betaines to strongly attract water, ...

dateAug 22, 2017 in Polymers
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