The discovery of catalytic RNA transformed our understanding of life's beginnings. Clare Sansom explores how the RNA world ...
Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of the eye—called the cornea—can heal from minor scratches within a single day. The brain is not one ...
The navigation of stem cells and progenitors to sites of tissue growth, the long-range extension of neuronal projections, and the large-scale movement of cells up or down external gradients all ...
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