Chemistry
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We summarize the week's scientific breakthroughs every Thursday.
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		PhysicsSuperconductivity does the twist
Electron fluctuations could explain why exotic material conducts without resistance.
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		ChemistryBlueprint to repel oil and water
The texture of surfaces could be designed so that both water and oil can bead up and thus flow off.
By Sid Perkins - 			
			
		ChemistryHousehold cleaner makes blood removal simple!
Common household “oxy” cleaners remove blood almost too well.
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		SpaceHalf-life (more or less)
Physicists are stirred by claims that the sun may change what’s unchangeable—the rate of radioactive decay.
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		ChemistryFirst complete cancer genome sequenced
With the entire genome sequence of a tumor now in hand, scientists may be able to start answering basic questions about cancer.
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		ChemistryOldest evidence for complex life in doubt
Chemical biomarkers in ancient Australian rocks, once thought to be the oldest known evidence of complex life on Earth, may have infiltrated long after the sediments were laid down, new analyses suggest.
By Sid Perkins - 			
			
		ChemistryFrom Aerators to Rust — New Lead Risks
Rusty water and other unusual sources of toxic risks in home drinking water.
By Janet Raloff - 			
			
		ChemistryFaucets Destined for Brassy Changes
Although new standards poised to take effect in a few years will reduce the lead-leaching risk from drinking water faucets, showerheads and many other water dispensers around will remain unregulated.
By Janet Raloff - 			
			
		TechLead-free? Faucets are anything but
Featured blog: Users of brand-new buildings on a major university campus were surprised to discover high concentrations of lead in the water. Faucets were the culprit.
By Janet Raloff - 			
			
		ChemistryHoley Copper Pipes!
Engineers are homing in on germs and other surprises behind the development of tiny holes in home water pipes.
By Janet Raloff - 			
			
		ChemistryNicotine’s new appeal
Mimicking the addictive compound’s action in the brain could lead to new drugs for Alzheimer’s, Parkinson’s and schizophrenia.
By Laura Beil