Cancer stem cells, characterized with self-renewal, differentiation, heterogeneity, plasticity and tumorigenicity, are regulated by intrinsic factors such as signaling pathways, transcription factors, ...

Scientists have long been intrigued by the ability of flatworms to regenerate complete bodies from small fragments of tissue. The underlying mechanisms behind this process have remained relatively ...

An international group of paleontologists led by the University of Poitiers, France, report that a recently recovered velociraptorine fossil, Shri rapax, brandished unusually large, powerful clawed ...