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image: Synthetic Bones: A Better Bone-Marrow Transplant?

Synthetic Bones: A Better Bone-Marrow Transplant?

By | May 9, 2017

Artificial bones produce new blood cells in mice, obviating the need for irradiation to kill off resident hematopoietic stem cells in recipients.

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The infamous "Baby Louie" embryo is a giant oviraptorosaur fossil from China that resembled a gargantuan bird.

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image: Stem Cell Trial Data Mostly Go Unpublished

Stem Cell Trial Data Mostly Go Unpublished

By | May 5, 2017

Less than half of completed stem cell studies in humans are published in peer-reviewed journals, according to an analysis of regenerative medicine trials. 

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The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.

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image: Learning Your Stripes

Learning Your Stripes

By | May 1, 2017

Science’s lowest common denominator has always been patterns.

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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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image: Cell Lines Gain Cancer-Related Mutations

Cell Lines Gain Cancer-Related Mutations

By | April 27, 2017

A screen of human embryonic stem cell lines finds several that accumulated changes in the gene TP53, including aberrations commonly seen in cancer.

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By analyzing the genomes of 161 dog breeds, scientists discover how and when certain canine breeds emerged.

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image: Developing Brains in Dishes

Developing Brains in Dishes

By | April 26, 2017

Two studies report methods to mimic human fetal brain development using neurons derived from human induced pluripotent stem cells that form 3-D, brain-like structures. 

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