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image: Bacterial Quid Pro Quo

Bacterial Quid Pro Quo

By | August 19, 2013

Pseudomonas aeruginosa gather swarming speed at the expense of their ability to form biofilms in an experimental evolution setup.


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.


image: Gene Therapy Coming of Age?

Gene Therapy Coming of Age?

By | July 11, 2013

Using lentiviral vectors to replace mutated genes in blood stem cells, scientists successfully treat two rare diseases apparently without causing harmful side effects.


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


image: Identifying Spurious Cancer Mutations

Identifying Spurious Cancer Mutations

By | June 19, 2013

Researchers reveal why analyses of cancer-causing mutations are riddled with false positives and demonstrate a new approach that eliminates the problem.


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.


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.


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: Did Inbreeding Royals Evolve?

Did Inbreeding Royals Evolve?

By | April 22, 2013

A new study suggests that in the Spanish Habsburg royal family, natural selection may have diminished the most harmful effects of inbreeding.


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