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image: Precisely Placed

Precisely Placed

By | September 1, 2014

Vein patterns in the wings of developing fruit flies never vary by more than the width of a single cell.

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image: Crayfish Blood Cells Make New Neurons

Crayfish Blood Cells Make New Neurons

By | August 13, 2014

Hemocytes can form neurons in adult crayfish, a study shows.

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image: Next Generation: Biological Pacemakers

Next Generation: Biological Pacemakers

By | July 16, 2014

Direct reprogramming of cardiac muscle cells into pacemaker cells gives pig hearts back their rhythm.

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image: Arrested Development Makes for Long-Lived Worms

Arrested Development Makes for Long-Lived Worms

By | June 23, 2014

Starvation suspends cellular activity in C. elegans larvae and extends their lifespan. 

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image: Autism-Hormone Link Found

Autism-Hormone Link Found

By | June 4, 2014

A study documents boys with autism who were exposed to elevated levels of testosterone, cortisol, and other hormones in utero.

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image: More Doubt Cast Over Cardiac Stem Cells

More Doubt Cast Over Cardiac Stem Cells

By | May 7, 2014

Contrary to previous reports, cell lineage tracing reveals stem cells in the heart rarely contribute to new muscle.

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image: Exosomes Vital for Heart Repair

Exosomes Vital for Heart Repair

By | May 6, 2014

Reparations after a heart attack in mice depend not on stem cells, but on the exosomes they secrete.

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image: The Telltale Tail

The Telltale Tail

By | May 1, 2014

A symbiotic relationship between squid and bacteria provides an alternative explanation for bacterial sheathed flagella.

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image: Women Receive Lab-Grown Vaginas

Women Receive Lab-Grown Vaginas

By | April 14, 2014

Doctors implant custom-made organs, built from a tissue sample and a biodegradable scaffold, into four female patients born with underdeveloped or missing vaginas.

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image: “Breakthrough” Tough to Reproduce

“Breakthrough” Tough to Reproduce

By | April 3, 2014

An independent group could not replicate the results of a highly cited heart regeneration protocol, while others say they have succeeded.  

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