Scientists have uncovered new clues about the origin of paired appendages -- a major evolutionary step that remains unresolved and highly debated. An international collaboration that includes ...
In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers have now discovered that these skeletal cells do not just differ in their developmental ...
A recent Nature study evaluates post-implantation development in humans using embryo-like models based on genetically unmodified human naïve embryonic stem cells (ESCs). Study: Complete human day 14 ...
Researchers have uncovered a fascinating mechanism behind the reduction and asymmetry of emu wing bones. The wings not only show significant shortening, but the skeletal elements also fuse ...
Where Do Our Limbs Come From? AURORA, Colo. (May 24, 2023) – An international collaboration that includes scientists from the University of Colorado School of Medicine has uncovered new clues about ...
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