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Mathematical Model Captures Relationship between Speed and Surface in Cell Movement

Scientist explain the precise mechanics underlying the biphasic adhesion-velocity relation by observing cells moving on fibronectin strips of alternating high and low stickiness. These studies inform developmental processes and may help identify targets to disrupt cancer metastasis.

New Stem Cell Derived from Mice, Horses, and Humans

A new type of intermediate-stage stem cell, isolated from mice, horses and humans, is endowed with the unique dual potency of being able to form inter- and intra-species chimeras, and to generate precursors of sperm and ova.