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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.

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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: Birth Control Pills and Prostate Cancer

Birth Control Pills and Prostate Cancer

By | November 16, 2011

A new study suggests a possible link between the use of oral contraceptives and rising prostate cancer rates.

6 Comments

image: Endangered Snails Accidentally Frozen

Endangered Snails Accidentally Frozen

By | November 15, 2011

Hundreds of rare giant land snails held in captivity in New Zealand froze to death after the temperature probes in their containers failed.

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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: Prescription Drug Pollutants

Prescription Drug Pollutants

By | November 7, 2011

Are pharmaceuticals in the environment affecting human health?

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The Scientist
The Scientist