The Scientist

» DNA, microbiology and cell & molecular biology

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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.


image: Barcode High

Barcode High

By | December 1, 2011

The story of a group of high school students who, with the help of a Rockefeller University researcher, conducted and published studies on the biological provenance of sushi and teas from around New York City.


image: Brake Failure

Brake Failure

By | December 1, 2011

Editor’s choice in Cell Biology


image: Breaching the Wall

Breaching the Wall

By | December 1, 2011

Editor’s choice in immunology


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.


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.


image: DNA Barcoding Boom

DNA Barcoding Boom

By | November 29, 2011

This week, 450 scientists and industry experts gather at the University of Adelaide in Australia to discuss one of the latest fads in biology—species identification with minimal DNA.


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.


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.


image: Bacterial Identity Crisis

Bacterial Identity Crisis

By | November 9, 2011

Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.


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