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 ...

A method for differentiating human pluripotent stem cells into several subtypes of smooth muscle cell should aid the study and treatment of vascular disease. Figure 1: Derivation of origin-specific ...

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 ...