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image: Dino Snouts from Chicken Beaks

Dino Snouts from Chicken Beaks

By Bob Grant | 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: Prokaryotic Microbes with Eukaryote-like Genes Found

Prokaryotic Microbes with Eukaryote-like Genes Found

By Jyoti Madhusoodanan | May 6, 2015

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

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image: New Stem Cell Identified

New Stem Cell Identified

By Anna Azvolinsky | May 6, 2015

Researchers isolate an easy-to-manipulate, stable, and spatially distinct pluripotent cell type.  

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image: Heart Strings

Heart Strings

By The Scientist Staff | May 1, 2015

An animated primer on the harvesting, growth, and administration of cardiac cells to heart attack patients

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image: Scanning for SIV’s Sanctuaries

Scanning for SIV’s Sanctuaries

By Ruth Williams | May 1, 2015

Whole-body immunoPET scans of SIV-infected macaques reveal where the replicating virus hides.  

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image: Show Me Your Moves

Show Me Your Moves

By Marissa Fessenden | May 1, 2015

Updated classics and new techniques help microbiologists get up close and quantitative.

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image: The Origins of O

The Origins of O

By Kerry Grens | May 1, 2015

A strain of HIV that has afflicted more than 100,000 people emerged from gorillas.

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image: Hearts on Trial

Hearts on Trial

By Kerry Grens | May 1, 2015

As researchers conduct the most rigorous human trials of cardiac cell therapies yet attempted, a clear picture of whether these treatments actually work is imminent.

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image: Bacterial Taxis Deliver Proteins

Bacterial Taxis Deliver Proteins

By Kerry Grens | April 28, 2015

Reengineered protein-shuttling machinery can be used to inject a particular protein into mammalian cells, according to a proof-of-principle study.

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image: Viral Protector

Viral Protector

By Jef Akst | April 21, 2015

A retrovirus embedded in the human genome may help protect embryos from other viruses, and influence fetal development.

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