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image: Vitamin A’s Influence on Immunity

Vitamin A’s Influence on Immunity

By | March 19, 2014

Exposure to vitamin A in the womb influences immune system development and lifelong ability to fight infections, a mouse study shows. 

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image: Week in Review: February 3–7

Week in Review: February 3–7

By | February 7, 2014

Federal stem cell regulations vary; Salmonella exploit host immune system; microglia help maintain synaptic connections; prosthesis re-creates feeling of touch

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image: Immune Response Promotes Infection

Immune Response Promotes Infection

By | February 6, 2014

Salmonella enterica can exploit a standard immune response in mice to promote its own growth.

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image: Pruning Synapses Improves Brain Connections

Pruning Synapses Improves Brain Connections

By | February 2, 2014

Without microglia to pluck off unwanted synapses in early life, mouse brains develop with weaker connections, leading to altered social behavior.

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image: Palade Particles, 1955

Palade Particles, 1955

By | February 1, 2014

Electron microscopy led to the first identification of what would later be known as ribosomes.

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image: Palade and His Particles

Palade and His Particles

By | February 1, 2014

Nobel Laureate Christian de Duve discusses the impact of George Palade’s work on ribosomes.

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image: Syphilis: Then and Now

Syphilis: Then and Now

By , , and | February 1, 2014

Researchers are zeroing in on the origin of syphilis and related diseases, which continue to plague the human population some 500 years after the first documented case.

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image: Polymer Protects Mouse Heart

Polymer Protects Mouse Heart

By | January 20, 2014

Injection of microscopic particles of a plastic-like material protects mice from cardiac tissue damage following heart attack.

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image: Fantastical Fish, circa 1719

Fantastical Fish, circa 1719

By | January 1, 2014

A collection of colorful drawings compiled by publisher Louis Renard sheds light on eighteenth-century science.

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image: Renard's Menagerie

Renard's Menagerie

By | January 1, 2014

Some of the fantastical marine life depicted in a rare, 18th-century book

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