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image: Week in Review: February 22–26

Week in Review: February 22–26

By | February 26, 2016

Questions about how E. coli evolves; spermatids in a dish; fighting bacteria with virus-like molecule; what drives metastasis; antibodies fight Ebola in monkeys

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image: Mutations Not Tied to Metastasis

Mutations Not Tied to Metastasis

By | February 25, 2016

Clinical cases link immune changes to a cancer’s spread through the body, but find no role for so-called “driver” mutations.

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image: Adjustable Brain Cells

Adjustable Brain Cells

By | February 18, 2016

Neighboring neurons can manipulate astrocytes. 

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image: Stem Cells to Blame for Hair Loss?

Stem Cells to Blame for Hair Loss?

By | February 8, 2016

Two new studies point to factors in hair follicle stem cells as players in age-related hair loss.

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image: Aging Shrinks Chromosomes

Aging Shrinks Chromosomes

By | February 5, 2016

A study on human cells reveals how cellular aging affects the 3-D architecture of chromosomes.

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image: Mysterious Mechanisms of Cardiac Cell Therapy

Mysterious Mechanisms of Cardiac Cell Therapy

By | February 4, 2016

Injections of progenitor cells into damaged rat hearts may improve function, but not because the implants themselves are creating new muscle.

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image: Giraffe Diplomacy

Giraffe Diplomacy

By | February 1, 2016

Is the public dissection of zoo animals a boon to research and education, a PR nightmare, or both?

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image: Giraffe in Half

Giraffe in Half

By | February 1, 2016

Watch footage from the public dissection of Marius, the young giraffe at the Copenhagen Zoo who was ultimately fed to predators at the facility. (CAUTION: GRAPHIC IMAGES)

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image: Holding Their Ground

Holding Their Ground

By | February 1, 2016

To protect the global food supply, scientists want to understand—and enhance—plants’ natural resistance to pathogens.

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image: Plant Immunity

Plant Immunity

By | February 1, 2016

How plants fight off pathogens

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