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image: Study: Diet Contributes to Brain Size

Study: Diet Contributes to Brain Size

By | March 30, 2017

The results of a historical primate behavior analysis suggest that species with fruit-filled diets evolved larger brains.

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image: Should Healthy People Have Their Exomes Sequenced?

Should Healthy People Have Their Exomes Sequenced?

By | March 24, 2017

With its announced launch of a whole-exome sequencing service for apparently healthy individuals, Ambry Genetics is the latest company to enter this growing market. But whether these services are useful for most people remains up for debate.  

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image: Dinosaur Phylogenetic Tree Shake-Up

Dinosaur Phylogenetic Tree Shake-Up

By | March 24, 2017

An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.

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image: Pathway to Polio Virulence Revealed

Pathway to Polio Virulence Revealed

By | March 23, 2017

Using epidemiological and laboratory data, scientists have mapped out a sequence of mutations through which the attenuated oral polio vaccine reverts to a virulent virus.

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image: Image of the Day: Plant Platforms

Image of the Day: Plant Platforms

By | March 21, 2017

Stripping away everything except the cell walls from certain plants, scientists can create scaffolds for human cell cultures.

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image: Women Lose Vision After Stem Cell Treatment

Women Lose Vision After Stem Cell Treatment

By | March 17, 2017

The adipose-derived cells were injected into the patients’ eyes to treat age-related macular degeneration. 

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image: Inflammation Drives Gut Bacteria Evolution

Inflammation Drives Gut Bacteria Evolution

By | March 16, 2017

Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.

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image: Sharks May Have Evolved from Acanthodians

Sharks May Have Evolved from Acanthodians

By | March 14, 2017

Analysis of an ancient shark fossil provides the strongest evidence to date that modern sharks derive from a class of 400 million–year-old bony fish.

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“Buena vista” hypothesis suggests that changes in the sizes of eyes, rather than a shift from fins to limbs, led fish to transition to land more than 300 million years ago.  

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image: Suicide Switch for Transplanted Stem Cells

Suicide Switch for Transplanted Stem Cells

By | March 2, 2017

Researchers use an inducible gene to limit tumor growth from human iPSCs transplanted into mice.

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