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image: Behavior Brief

Behavior Brief

By | July 27, 2015

A round-up of recent discoveries in behavior research

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image: Warming Climate Hurt Megafauna?

Warming Climate Hurt Megafauna?

By | July 27, 2015

The massive mammals that roamed Earth some 30,000 years ago may have gone extinct as a result of global warming, according to an ancient-DNA study.

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image: AAAAA Is for Arrested Translation

AAAAA Is for Arrested Translation

By | July 24, 2015

Multiple consecutive adenosine nucleotides can cause protein translation machinery to stall on messenger RNAs.

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image: Evolution of Kin Discrimination

Evolution of Kin Discrimination

By | July 6, 2015

A bacterium’s ability to distinguish self from non-self can arise spontaneously, a study shows, reigniting questions of whether the trait can be considered an adaptation.

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image: Regenerative Cardiomyocytes Found

Regenerative Cardiomyocytes Found

By | June 24, 2015

Specialized cardiac cells in the mouse heart appear to be the long-sought-after proliferative heart cells.

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image: Extra DNA Base Discovered

Extra DNA Base Discovered

By | June 23, 2015

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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image: The Handedness of Cells

The Handedness of Cells

By | June 17, 2015

Actin—the bones of the cell—has a preference for swirling into a counterclockwise pattern.

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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: The Rise of Heads

The Rise of Heads

By | May 11, 2015

A 500 million-year-old brain fossil yields clues to the evolution of heads.

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image: Prokaryotic Microbes with Eukaryote-like Genes Found

Prokaryotic Microbes with Eukaryote-like Genes Found

By | May 6, 2015

Deep-sea microbes possess hallmarks of eukaryotic cells, hinting at a common ancestor for archaea and eukaryotes.

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