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image: How Transposons Shaped Pregnancy

How Transposons Shaped Pregnancy

By Kate Yandell | January 29, 2015

A mass migration of mobile regulatory elements increased the expression of thousands of genes in the uterus during the evolution of pregnancy.

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image: Crystal Structure, Murky Function

Crystal Structure, Murky Function

By Ruth Williams | January 29, 2015

Scientists have determined the crystal structures of bacterial translocator proteins, but their functions remain unclear.


image: America’s First Pooches

America’s First Pooches

By Jenny Rood | January 27, 2015

Study of ancient dog DNA sheds light on early Americans’ relationships with their pets.

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image: Interferon Discoverer Dies

Interferon Discoverer Dies

By Kerry Grens | January 26, 2015

Jean Lindemann, the virologist who helped figure out that interferons were responsible for anti-viral responses, has passed away at age 90.


image: Human Proteome Mapped Again

Human Proteome Mapped Again

By Anna Azvolinsky | January 22, 2015

Researchers complete another interactive protein atlas, boosting the number of publicly available maps of human protein expression levels.


image: Fraction of SNPs Can Affect Fitness

Fraction of SNPs Can Affect Fitness

By Kerry Grens | January 21, 2015

A point mutation analysis of the entire human genome finds that alterations to as many as 7.5 percent of nucleotides may have contributed to humans’ evolutionary split from chimpanzees.

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image: Tracking Tuberculosis Over Time

Tracking Tuberculosis Over Time

By Jenny Rood | January 19, 2015

Genomic analysis of a multidrug-resistant lineage pinpoints historical correlations with human events.


image: Reassessing One Really Old Fish

Reassessing One Really Old Fish

By Jenny Rood | January 13, 2015

New analysis of an ancient specimen prompts a rethink of fish forebears.

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image: Mitochondrial Enzyme Detailed

Mitochondrial Enzyme Detailed

By Jef Akst | January 9, 2015

Researchers reveal clues regarding how an ancient mitochondrial enzyme helps maintain healthy cells across the tree of life.


image: The Benefits of Being a “Bearded Lady”

The Benefits of Being a “Bearded Lady”

By Bob Grant | January 8, 2015

A study of female eastern fence lizards that bear a distinctly male trait yields tantalizing clues about the tradeoffs involved in blurring the lines of sexual dimorphism.


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