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image: Oldest Stone Tools Discovered

Oldest Stone Tools Discovered

By | May 26, 2015

Researchers unearth 3.3 million-year-old stone flakes in Kenya, forcing a reimagining of the emergence of such technologies in the ancestors of humans.

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image: Model Predicts Zoonotic Hot Spots

Model Predicts Zoonotic Hot Spots

By | May 19, 2015

The midwestern U.S. and central Asia are at high risk for new disease outbreaks from pathogen-bearing rodents, according to a study.

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image: Gender Equality in Hunter-Gatherer Groups

Gender Equality in Hunter-Gatherer Groups

By | May 18, 2015

When both men and women in hunter-gatherer societies have a say about where their families live, whole communities benefit from increased diversity, a study shows.

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image: Maturation of the Infant Microbiome

Maturation of the Infant Microbiome

By | May 13, 2015

Gut microbial communities from breastfed babies are slow to resemble adults’ microbiota.

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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: 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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image: Scanning for SIV’s Sanctuaries

Scanning for SIV’s Sanctuaries

By | 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 | 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 | May 1, 2015

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

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image: Bacterial Taxis Deliver Proteins

Bacterial Taxis Deliver Proteins

By | 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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