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image: Lost Memories Reactivated in Mice

Lost Memories Reactivated in Mice

By | May 29, 2015

Using optogenetics, researchers excite selected neurons to reinstate a fear memory that had been blocked.

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Genetically engineered commensal bacteria help researchers detect cancer metastases in mouse livers.

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image: Gene Linked to Pain Insensitivity

Gene Linked to Pain Insensitivity

By | May 27, 2015

People with a congenital disorder that makes them unable to feel pain have mutations in a histone-modifying gene. 

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image: Light Sensors in Cephalopod Skin

Light Sensors in Cephalopod Skin

By | May 21, 2015

Squid, cuttlefish, and octopuses possess vision machinery in their skin.

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image: Human Genes Can Save Yeast

Human Genes Can Save Yeast

By | May 21, 2015

Replacing yeast genes with their human equivalents reveals functional conservation despite a billion years of divergent evolution.

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image: CRISPR “Kill Switches” for GMOs

CRISPR “Kill Switches” for GMOs

By | May 21, 2015

Researchers create an inducible method to remove specific genes and even kill escaped genetically modified organisms.

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image: Image of the Day: Amazing Astrocytes

Image of the Day: Amazing Astrocytes

By | May 19, 2015

They aren't neurons, but in rats, glial cells in the brain called astrocytes (red) play a major role in repetitive motions like chewing and breathing.

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image: Yeast–Made Opioid Progresses

Yeast–Made Opioid Progresses

By | May 19, 2015

Scientists are one step closer to coaxing engineered yeast to produce morphine from a simple sugar.

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image: Clinical Epidemiology Pioneer Dies

Clinical Epidemiology Pioneer Dies

By | May 18, 2015

Evidence-based medicine advocate David Sackett has passed away at age 80.

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Researchers develop a CRISPR-based, two-phage system that sensitizes resistant bacteria to antibiotics and selectively kills any remaining drug-resistant bugs. 

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