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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: Similar Data, Different Conclusions

Similar Data, Different Conclusions

By | February 23, 2016

By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.

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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: Obama Submits Science-Boosting Budget

Obama Submits Science-Boosting Budget

By | February 10, 2016

But some critics say the President relies too heavily on mandatory funding to support the biomedical research enterprise.

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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: Embryo Editing Gets Green Light in U.K.

Embryo Editing Gets Green Light in U.K.

By | February 2, 2016

Researchers at the Francis Crick Institute in London will use CRISPR/Cas9 to modify genes in early human embryos.

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image: Chat With Charlie

Chat With Charlie

By | February 1, 2016

See a preview of the app that lets you ask questions of a virtual Charles Darwin.

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