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image: Silencing Surprise

Silencing Surprise

By | June 1, 2015

A chromatin remodeler in embryonic stem cells clears the DNA for mRNA transcription while stifling the expression of noncoding transcripts.

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image: Touchy Feely

Touchy Feely

By | June 1, 2015

Physical contact helps determine who’s present among baboons’ gut bacteria.

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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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image: Genomes Point the Way

Genomes Point the Way

By | May 28, 2015

Sequence analysis of Egyptian, Ethiopian, and non-African peoples indicates a likely route taken by modern humans migrating out of Africa.

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image: Lost Y Chromosome Genes Found on Autosomes

Lost Y Chromosome Genes Found on Autosomes

By | May 27, 2015

Mammalian Y chromosome genes with important functions are transferred to autosomal chromosomes more often than previously thought, a study shows.

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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: WHO OKs Plan to Fight Antibiotic Resistance

WHO OKs Plan to Fight Antibiotic Resistance

By | May 27, 2015

World Health Organization officials endorse a global strategy to combat the spread of antibiotic resistance.

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image: Of Dogs and Men

Of Dogs and Men

By | May 26, 2015

Clues from an ancient wolf genome are leading scientists to reconsider how long dogs have been people’s companions.

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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: Genome Digest

Genome Digest

By | May 21, 2015

What researchers are learning as they sequence, map, and decode species’ genomes

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    An epigenetic variant of cytosine is stable in the genomes of living mice, suggesting a possible expansion of the DNA alphabet.

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    The Scientist The Brain on Fear

    Scientists uncover the neurons in the mouse brain responsible for linking the sight of a looming object to scared behavior.

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