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image: Things That Go Bump

Things That Go Bump

By | March 1, 2016

Scientists still don’t know why animals sleep or how to define the ubiquitous behavior.

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image: Characterizing Sleep

Characterizing Sleep

By and | March 1, 2016

Sleep-like patterns of neural activity are apparent not just at the level of the whole brain, but also in isolated neural circuits.

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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: Mitochondrial Activity Predicts Fish Life Span?

Mitochondrial Activity Predicts Fish Life Span?

By | February 25, 2016

Scientists identify an inverse relationship between longevity in killifish and the expression of genes related to cellular respiration.

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image: Compound Confounds <em>C. elegans</em> Aging Research

Compound Confounds C. elegans Aging Research

By | February 22, 2016

A drug commonly used in experiments on the model organism can skew the results of aging studies, researchers show.

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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: Slowing Aging

Slowing Aging

By | February 5, 2016

The removal of senescent cells in mice leads to an increased lifespan and later onset of age-linked diseases, scientists show.

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