Life
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We summarize the week's scientific breakthroughs every Thursday.
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		LifeImages probe artery-hardening plaques
Zooming in on hardened arteries shows researchers which plaques pose heart attack risks.
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		MicrobesCyanobacteria use their whole bodies as eyeballs
Little spheres of cyanobacteria cells roughly focus light on sensitive compounds that let them walk in the right direction.
By Susan Milius - 			
			
		EarthOcean’s plastics offer a floating fortress to a mess of microbes
Microbes take up residence on ocean plastics, potentially causing changes in ocean environments.
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		AgriculturePlants trick bacteria into attacking too soon
Scientists have discovered that a plant compound interferes with bacterial communication.
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		TechThis roach-inspired robot can wiggle through tight spaces
Cockroaches inspired a compressible, crevice-navigating robot.
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		NeuroscienceCancer drug’s usefulness against Alzheimer’s disputed
A preliminary report questions the anti-Alzheimer’s activity of a cancer-fighting drug.
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		Science & Society‘GMOs’ isn’t a four-letter word, but it is hard to define
The definition of what constitutes a genetically modified organism is a challenge to those tasked with developing standards for labeling foods that contain GMOs.
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		AnimalsWhite-tailed deer have their own form of malaria
The otherwise well-studied white-tailed deer turns out to carry the first malaria parasite discovered in any deer.
By Susan Milius - 			
			
		AnimalsHarvester ants are restless, enigmatic architects
Florida harvester ants dig complex, curly nests over, then leave and do it again.
By Susan Milius - 			
			
		NeuroscienceMouse study offers clues to brain’s response to concussions
The brain needs time to recover between head hits, a study in mice suggests.
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		AnimalsWhy some birds sing elaborate songs in the winter
Several obvious hypotheses fail to explain why great reed warblers sing in winter.
By Susan Milius - 			
			
		AnimalsMeet the tarantula in black
Named for Johnny Cash, a new species of tarantula makes its home in the shadow of Folsom Prison.