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» DNA, developmental biology and microbiology

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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: Supreme Court OKs DNA Collection on Arrest

Supreme Court OKs DNA Collection on Arrest

By | June 4, 2013

Top justices rule that police have the right to take DNA swabs from people who are arrested, even before they are convicted.

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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: Mobile Microscopes

Mobile Microscopes

By | June 1, 2013

Turning cell phones into basic research tools can improve health care in the developing world.

5 Comments

image: Oral History

Oral History

By | June 1, 2013

Researchers use DNA from ancient tooth tartar to chart changes in the bacterial communities that have lived in human mouths for 8,000 years.

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image: The Next Big One

The Next Big One

By | June 1, 2013

As new infections surface and spread, science meets the challenges with ingenuity and adaptation.

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image: Arctic Bacteria Thrives at Mars Temps

Arctic Bacteria Thrives at Mars Temps

By | May 23, 2013

Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.

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image: Viruses Prefer the Cold

Viruses Prefer the Cold

By | May 20, 2013

Chilly weather could impede the immune reactions that most effectively contain viruses like the common cold.  

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image: Protective Phages

Protective Phages

By | May 20, 2013

Viruses that attack bacteria may be an important component of our gut microbiota.

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image: Price Drop for Sequencing Slows

Price Drop for Sequencing Slows

By | May 16, 2013

The cost of DNA sequencing has gotten more expensive for the first time since records have been kept.

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