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Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

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image: Blood Stem Cells Grown in the Lab

Blood Stem Cells Grown in the Lab

By | May 17, 2017

Researchers identify transcription factors and environmental conditions necessary to reprogram human and mouse cells into cells that function like hematopoietic stem cells.

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New research provides evidence that the ancient hominin species might not be so ancient after all.

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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image: Stem Cell Trial Data Mostly Go Unpublished

Stem Cell Trial Data Mostly Go Unpublished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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