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image: Stem Cells Open Up Options

Stem Cells Open Up Options

By | August 13, 2013

Pluripotent cells can help regenerate tissues and maintain long life—and they may also help animals jumpstart drastically new lifestyles.

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image: Lab-Grown Ear

Lab-Grown Ear

By | August 1, 2013

Scientists used a titanium wire framework to help ears made from collagen and sheep cartilage cells maintain their shape.

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image: Cellular Pegs-in-Holes

Cellular Pegs-in-Holes

By | August 1, 2013

Cell-containing hydrogel shapes fit into a template to create an artificial tissue environment.

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image: Week in Review, June 17–21

Week in Review, June 17–21

By | June 21, 2013

On the gene patent decision; a high-res human brain model; bats’ influence on moths mating calls; toxicants threaten brain health; platelet-driven immunity

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image: Nailing Regeneration

Nailing Regeneration

By | June 12, 2013

Researchers identify the signaling program that enables finger and toenail stem cells to direct digit regeneration after amputation.

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image: Why Many Birds Don’t Have Penises

Why Many Birds Don’t Have Penises

By | June 7, 2013

In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.

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image: Loss of Potential

Loss of Potential

By | June 1, 2013

In the fruit fly, the ability of neural stem cells to make the full repertoire of neurons is regulated by the movement of key genes to the nuclear periphery.

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image: Epigenetics of Embryonic Stem Cells

Epigenetics of Embryonic Stem Cells

By | May 14, 2013

Researchers track DNA modifications and gene expression in stem cells as they differentiate.

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image: Lab-grown Kidneys Work in Rats

Lab-grown Kidneys Work in Rats

By | April 17, 2013

Bioengineered kidneys transplanted into rats filter blood and produce urine, an achievement that points the way to replacement kidneys for humans.

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image: Printing 3-D Synthetic Tissues

Printing 3-D Synthetic Tissues

By | April 4, 2013

A 3-D printer lays liquid droplets into tissue-like materials that can fold automatically and carry currents.

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