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image: Mitochondria’s Bacterial Origins Upended

Mitochondria’s Bacterial Origins Upended

By Shawna Williams | April 25, 2018

Contrary to some hypotheses, the organelles did not descend from any known lineage of Alphaproteobacteria, researchers find.

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image: Image of the Day: Lonesome Clam 

Image of the Day: Lonesome Clam 

By The Scientist Staff | December 12, 2017

Researchers have undertaken a comprehensive study on the status of giant clams across the world. 

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image: Image of the Day: Ice Age Horse 

Image of the Day: Ice Age Horse 

By The Scientist Staff | November 29, 2017

Scientists have identified a new genus of extinct horse that lived in North America during the last ice age. 

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The 10-micrometer-long flagellate cell might have a big story to tell about the evolution of eukaryotes.

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image: Ecologists Welcome Seventh Great Ape Species into Our Family

Ecologists Welcome Seventh Great Ape Species into Our Family

By Katarina Zimmer | November 2, 2017

The Tapanuli orangutan has been identified as the newest species of great ape, but also likely the most endangered. 

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The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story.

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image: Dinosaur Phylogenetic Tree Shake-Up

Dinosaur Phylogenetic Tree Shake-Up

By Jef Akst | 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: The Pangenome: Are Single Reference Genomes Dead?

The Pangenome: Are Single Reference Genomes Dead?

By Catherine Offord | December 1, 2016

Researchers are abandoning the concept of a list of genes sequenced from a single individual, instead aiming for a way to describe all the genetic variation within a species.

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image: Animal Microbiomes Are Unique and Beneficial to Their Hosts

Animal Microbiomes Are Unique and Beneficial to Their Hosts

By Ben Andrew Henry | November 29, 2016

Survey of 24 animal species suggests that each hosts a custom-tailored microbiome.

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image: Not Your Average Deer

Not Your Average Deer

By Karen Zusi | December 4, 2015

A new fossil species helps resolve the evolutionary relationships of an extinct group of ruminants.

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