The first sculpting skill that a child learns is to roll a ball of clay out into a cylinder or snake. It would be astonishing to see a ball of clay roll itself out in this way, and yet a ball of ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 104, No. 16 (Apr. 17, 2007), pp. 6708-6713 (6 pages) Convergent extension (CE) movement of cells is one of the ...
In exploring how embryos take shape, John Wallingford has identified a key pathway involved in vertebrate development—and human disease. A series of rodent experiments showed that even with abundant ...
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