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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: OA Plan to Appease White House?

OA Plan to Appease White House?

By | June 6, 2013

Scientific publishers come up with a scheme to disseminate publicly funded research in response to a directive from President Obama’s top science advisor.

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image: Science-Supporting Senator Dies

Science-Supporting Senator Dies

By | June 4, 2013

Democratic Senator Frank Lautenberg of New Jersey, who fought hard against the alcohol and tobacco industries, has passed away.

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image: Opinion: The Payoff of Big Science

Opinion: The Payoff of Big Science

By | June 3, 2013

Was the Human Genome Project the key to a gold mine?

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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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Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.

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image: Italy Orders Trials of Unproven Therapy

Italy Orders Trials of Unproven Therapy

By | May 23, 2013

Italian lawmakers have demanded formal approval for a controversial stem-cell therapy, but allowed some patients to continue treatment under stricter rules.

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image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By | May 22, 2013

The activity of one type of immune cell helps regrow the limbs of amputated salamanders.

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image: New Guardians Against Diabetes?

New Guardians Against Diabetes?

By | May 20, 2013

A new class of immune cell could protect against type 1 diabetes by suppressing other immune cells.

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