An embryonic cell's fate sealed by speed of a signal

When embryonic cells get the signal to specialize, the call can come quickly. Or it can arrive slowly. Now, new research suggests the speed at which a cell in an embryo receives that signal has an unexpected influence on that cell’s fate. "This finding is another instance of a productive collaboration between biologists and physicists. Neither group, biologists or physicists, could have realized this result working alone," one researcher said.

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