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image: Arsenic-based life debate continues

Arsenic-based life debate continues

By | June 2, 2011

More than a dozen researchers voice their concerns about a 2010 paper that claims bacteria can use arsenic in place of phosphorus in its DNA and other biomolecules, such as proteins.

25 Comments

Vaccines

By | June 1, 2011

Looking back, looking ahead

18 Comments

image: The Last Vaccine Frontier

The Last Vaccine Frontier

By | June 1, 2011

Successful vaccines have been created to protect against pathogenic bacteria and viruses. Why aren’t there any for combating fungal infections?

3 Comments

image: Recognizing the Human Potential

Recognizing the Human Potential

By | June 1, 2011

It may be time to reconsider an AIDS vaccine which is more human than viral, triggering the immune system in a way that no other vaccine does.

12 Comments

image: Shooting Down Addiction

Shooting Down Addiction

By | June 1, 2011

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

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image: Track Your Package

Track Your Package

By | June 1, 2011

How to follow stem cells transplanted into living tissue.

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image: A Shot in the Arm

A Shot in the Arm

By | June 1, 2011

Decades of vaccine research have expanded our understanding of the immune system and are yielding novel disease-fighting tactics.

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image: Speaking of Science

Speaking of Science

By | May 26, 2011

May 2011's selection of notable quotes

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image: Compact Model T

Compact Model T

By | May 25, 2011

Editor's choice in immunology

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image: How zebrafish regrow limbs

How zebrafish regrow limbs

By | May 19, 2011

Because of their ability to differentiate into any cell type, stem cells have been thought to play an important role in limb regeneration processes. 

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