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image: How zebrafish regrow limbs

How zebrafish regrow limbs

By Cristina Luiggi | 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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image: Lessons from the marine census

Lessons from the marine census

By Cristina Luiggi | May 19, 2011

Now that the ten-year effort to take stock of the diversity of life in the oceans came to a triumphant end late last year, researchers involved in the Census for Marine Life are reflecting on the project's shortcomings.

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image: Early freshwater life

Early freshwater life

By Cristina Luiggi | May 19, 2011

Tiny fossil tracks embedded in a California rock formation that was once part of an ancient river may be evidence that freshwater ecosystems arose around 100 million years earlier than what is generally believed.

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Skeleton Keys

By Lewis Wolpert | May 14, 2011

There are a surprising number of unknowns about how our limbs come to be symmetrical.

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image: Lung stem cells -- for real?

Lung stem cells -- for real?

By Jef Akst | May 14, 2011

There's good, stem cell-related news for another organ this week -- the lung. Researchers say they have found lung stem cells, which may hold therapeutic value for repairing damaged respiratory tissue, according to a study published this week in the New England Journal of Medicine (NEJM).

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image: Stem cells may mend liver damage

Stem cells may mend liver damage

By Jef Akst | May 14, 2011

Researchers have found a way to reprogram cells from mouse tails to behave like mature liver cells, which appear to be able to repair damaged livers.

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image: Engineered proteins for fighting flu

Engineered proteins for fighting flu

By Cristina Luiggi | May 14, 2011

In a feat of computational biology, researchers design novel proteins capable of neutralizing a key influenza protein.

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image: Top 7 in cell biology

Top 7 in cell biology

By Jef Akst | May 3, 2011

A snapshot of the most highly ranked articles in cell biology and related areas, from Faculty of 1000

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image: Micro Farmers

Micro Farmers

By Cristina Luiggi | May 1, 2011

Columbia University evolutionary ecologist Dustin Rubenstein explains just why it's so interesting and important to find slime molds that engage in a form of agriculture.

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image: One Hip Dino

One Hip Dino

By Jef Akst | May 1, 2011

A closer look at some dinosaur bones accumulating dust since their 1994 discovery reveals a new, athletic sauropod species.

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