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image: Part Human, Part HIV

Part Human, Part HIV

By Gene M. Shearer and Adriano Boasso | June 3, 2011

Like other enveloped viruses, HIV exits its host cell enshrouded in the cell’s membrane, which contains membrane molecules such as the human leukocyte antigens (HLA). 

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image: The essence of stem cells

The essence of stem cells

By Cristina Luiggi | June 3, 2011

Researchers discover a protein that may allow already-differentiated somatic cells to become stem cells.

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image: <em>E. coli</em> epidemic baffles doctors

E. coli epidemic baffles doctors

By Cristina Luiggi | June 3, 2011

A highly virulent strain of E. coli that has already killed two people and infected around 800 (most of whom live or had visited northern Germany) has proved an enigma for epidemiologists. 

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image: Mapping HIV in the US

Mapping HIV in the US

By Cristina Luiggi | June 3, 2011

A detailed interactive map shows the distribution of people in the United States who are infected with HIV, Wired reports.

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image: Cell phones cause cancer?

Cell phones cause cancer?

By Cristina Luiggi | June 3, 2011

A study commissioned by the World Health Organization suggests that electromagnetic fields given off by cell phones may cause brain cancer. 

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image: The Gravity of Life

The Gravity of Life

By Rob Dunn | June 1, 2011

Whose well-being is threatened by our changing relationship with the myriad organisms that shaped the evolution of our species?

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Vaccines

By Robin A. Weiss and Peter Hale | June 1, 2011

Looking back, looking ahead

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image: Shooting Down Addiction

Shooting Down Addiction

By Thomas Kosten | June 1, 2011

A new breed of vaccines aims to wean users off cocaine.

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image: 2010's best new species

2010's best new species

By Bob Grant | May 26, 2011

This Monday (May 23), which happens to be the birthday of famed naturalist and species namer extraordinaire Carolus Linnaeus, researchers at Arizona State University listed their picks of the top 10 newly-described species of 2010. 

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image: WHO punts on smallpox

WHO punts on smallpox

By Bob Grant | May 26, 2011

The World Health Organization is remaining mum on the issue of maintaining laboratory stocks of the smallpox virus, which the US government wants to preserve for the next five years.

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