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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: 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: 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: Fish Make Their Own Sun Protection

Fish Make Their Own Sun Protection

By | May 14, 2015

Zebrafish and other vertebrates have the enzymatic machinery to synthesize gadusol, an ultraviolet light-absorbing compound.

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image: The Evolution of Social Bees

The Evolution of Social Bees

By | May 14, 2015

Scientists describe the genetic changes associated with solitary-to-social transitions throughout bee evolution.

6 Comments

image: Opinion: New Models for ASDs

Opinion: New Models for ASDs

By | May 14, 2015

The study of mini “brains” in a dish, derived from patient cells, offers a novel approach for autism spectrum disorder research.

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image: Dino Snouts from Chicken Beaks

Dino Snouts from Chicken Beaks

By | May 13, 2015

Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.

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image: Estimating Epigenetic Mutation Rates

Estimating Epigenetic Mutation Rates

By | May 11, 2015

Generation-spanning maps of Arabidopsis thaliana DNA methylation allow researchers to compute how quickly epigenetic marks appear and disappear in the plant’s genome.

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