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image: It Takes Two

It Takes Two

By Jef Akst | November 21, 2013

Two genes from the Y chromosome are sufficient to generate male mice capable of fathering healthy offspring via an assisted reproductive technique.

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image: Origin of Domestic Dogs

Origin of Domestic Dogs

By Ed Yong | November 14, 2013

New analysis suggests that domestic dogs evolved from European wolves that interacted with human hunter-gatherers.

7 Comments

image: Evolving Pain Resistance

Evolving Pain Resistance

By Jef Akst | October 24, 2013

Grasshopper mice harbor mutations in a pain-transmitting sodium channel that allow them to prey on highly toxic bark scorpions.

2 Comments

image: Fossilized Mosquito Blood Meal

Fossilized Mosquito Blood Meal

By Abby Olena | October 14, 2013

Researchers have discovered a 46-million-year-old female mosquito containing the remnants of the insect’s final blood meal.

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image: Surprising Similarities in Divergent Genomes

Surprising Similarities in Divergent Genomes

By Ruth Williams | September 4, 2013

Researchers find genome-wide evidence of convergent evolution between bats and dolphins.

3 Comments

image: Decoding Drug-Resistant TB

Decoding Drug-Resistant TB

By Tracy Vence | September 1, 2013

Researchers characterize drug-resistant tuberculosis by analyzing the genomes of more than 500 Mycobacterium tuberculosis isolates from around the world.

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image: Unexpected Origin of an Avian Virus

Unexpected Origin of an Avian Virus

By Ruth Williams | August 27, 2013

The transmission of reticuloendotheliosis viruses from mammals to birds was most likely an unexpected consequence of medical research.

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image: Fossils Snarl Mammalian Roots

Fossils Snarl Mammalian Roots

By Tracy Vence | August 7, 2013

Two newly discovered Jurassic-era fossils suggest drastically different mammalian origins.

2 Comments

image: Dolphins by Name

Dolphins by Name

By Sabrina Richards | July 23, 2013

Bottlenose dolphins can recognize and respond to their own “signature whistles,” strengthening the evidence that these whistles function like names.

2 Comments

image: Horse Genome Is Oldest Ever Sequenced

Horse Genome Is Oldest Ever Sequenced

By Dan Cossins | June 26, 2013

By sequencing the genome of a 700,000-year-old horse, researchers have pushed back the time of DNA survival by almost an order of magnitude.

3 Comments

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