During development, communication between organs determines their relative final size.
During development, communication between organs determines their relative final size.
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 science images and videos that captured our attention in 2012
The total number of new drugs approved this year ties last year for the highest since 2004, suggesting that the pharmaceutical industry is recovering.
The US Food and Drug Administration is taking steps to get new devices on the market sooner—and antibiotics may be next.
New noninvasive methods of selecting the most viable embryo could revolutionize in vitro fertilization.
| 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.