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image: Avoiding Animal Testing

Avoiding Animal Testing

By | December 1, 2011

Advances in cell-culture technologies are paving the way to the complete elimination of animals from the laboratory.

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image: Brake Failure

Brake Failure

By | December 1, 2011

Editor’s choice in Cell Biology

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image: Taste in the Mouth, Gut, and Airways

Taste in the Mouth, Gut, and Airways

By | December 1, 2011

The tongue may be the epicenter of taste sensation, but taste receptors are scattered throughout the digestive and respiratory tracts.

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image: Matters of Taste

Matters of Taste

By | December 1, 2011

Compounds we perceive as sweet or bitter in the mouth trigger similar receptors and signaling pathways elsewhere in the body, helping to regulate digestion, respiration, and other systems.

7 Comments

image: Human ES Cells Evolve in Culture

Human ES Cells Evolve in Culture

By | November 28, 2011

Researchers identify common genetic changes in cultured human embryonic stem cells, including one that confers a growth advantage.

4 Comments

image: Engineering a Deadly Flu

Engineering a Deadly Flu

By | November 21, 2011

Research on the H5N1 influenza strain has gained the attention of a national biosecurity organization.

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image: Mapping Antibiotic Use and Resistance

Mapping Antibiotic Use and Resistance

By | November 17, 2011

New data reveals troubling trends in the pharmaceutical fight against bacteria.

9 Comments

image: How Skin Tells Time

How Skin Tells Time

By | November 9, 2011

The behavior of skin stem cells is regulated by a 24-hour circadian clock.

6 Comments

image: Fighting Cancer with Light

Fighting Cancer with Light

By | November 7, 2011

Researchers have developed a way to activate cancer fighting drugs by pulsing them with light, which could make such therapies safer.

9 Comments

image: Shielding Cancer Cells from Damage

Shielding Cancer Cells from Damage

By | November 4, 2011

An alternative form of an enzyme involved in the glucose metabolism pathway protects cancer cells from oxidative stress.

12 Comments

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