During development, communication between organs determines their relative final size.
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Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.
Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.
The highest court in the country has declined to hear an appeal regarding the federal funding of human embryonic stem cell research, allowing such spending to continue.
The science images and videos that captured our attention in 2012
Should biological explanations for criminal behavior influence a judge’s or jury’s decision about how to handle a case? If so, how?
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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