Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.
The Scientist
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Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.
New research suggests that some smokers may carry a gene variant that makes them less likely to quit simply because cigarette taxes are raised.
The science images and videos that captured our attention in 2012
Two species of songbirds pack their nests with scavenged cigarette butts that repel irksome parasites.
Nicotine leaves epigenetic marks on the rat genome that make offspring and grand-offspring more prone to asthma.
New noninvasive methods of selecting the most viable embryo could revolutionize in vitro fertilization.
Contributors
| November 1, 2012
Meet some of the people featured in the November 2012 issue of The Scientist.
Large RNA-protein packets use a novel mechanism to escape the cell nucleus.
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