7 breathtaking images of the cosmic world captured by NASA
The universe is vast, mysterious, and breathtakingly beautiful. From the glow of distant galaxies to the quiet elegance of ...
Nature4d
Spindle orientation, asymmetric division and tumour suppression in Drosophila stem cells
Adult tissues are maintained by the proliferation of tissue stem cells that constitute only a small fraction of the total cell mass. The same applies to some tumours: a small number of cancer stem ...