Chemistry
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We summarize the week's scientific breakthroughs every Thursday.
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		ChemistryPolymer power drives tiny reactions
Applying pressure to a building block of plastic in water, researchers generate enough energy to make your Nikes glow and do other chemical work.
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		ChemistryTaste of fructose revs up metabolism
The pancreas pumps more insulin in response to the sugar, potentially throwing the body’s energy-storage machinery out of whack.
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		ChemistryMuscle massage may speed healing
Rubbing sore, overworked areas trips anti-inflammatory switches in the tissue that might speed healing and ease pain.
By Nathan Seppa - 			
			
		ChemistryMeasuring what makes a medicine
A new way to evaluate molecules offers a finer-grained picture of which ones could become drugs.
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		Earth‘Nonstick’ pollutants may cut efficiency of vaccines in kids
Antibodies from immunizations are halved among children with the highest exposure levels to common chemicals.
By Janet Raloff - 			
			
		HumansSeaweed study fuels bioenergy enthusiasm
Munched by a manipulated microbe, ocean algae readily yield ethanol.
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		ChemistryMolecule ties itself in a complex knot
Chemists synthesize a five-crossing structure centered on chloride.
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		ChemistryDeep-sea battery comes to light
Microbes fuel a weak electrical current at hydrothermal vents.
By Devin Powell - 			
			
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		ChemistryRadiation sickness treatment shows promise
The regimen could be used to protect large numbers of people in the aftermath of major accidents such as Chernobyl or Fukushima.
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		ChemistryPlastic isn’t over yet
A tough new form of the 20th century’s signature polymer could extend its usefulness and make it more recyclable.