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image: Newts' New Eyes

Newts' New Eyes

By | December 1, 2011

Cut off a newt’s tail or a leg, or remove a lens from its eye, and it grows back. However, whether newts can continue to do this throughout their lives, or lose the ability as they get older, has remained a mystery. 

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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: Cancer’s Escape Routes

Cancer’s Escape Routes

By | November 30, 2011

Scientists are beginning to discover myriad strategies tumors use to avoid attacks by anti-cancer drugs.

18 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.

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image: Evolutionary Pioneer Dies at 73

Evolutionary Pioneer Dies at 73

By | November 28, 2011

Lynn Margulis, an innovative thinker who proposed symbiosis as a major mechanism for speciation, passed away last week.

6 Comments

image: Whales Saved From Highway Project

Whales Saved From Highway Project

By | November 21, 2011

A team of paleontologists is racing to recover dozens of fossilized whale skeletons from the site of a road building excavation in northern Chile.

3 Comments

image: Battle of the Sexes

Battle of the Sexes

By | November 17, 2011

Traits that help one sex but hurt the other are not sufficient for maintaining genetic variation.

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