Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.
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Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.
Histones stored on lipid droplets in fly embryos provide a backup supply when newly synthesized ones are lacking.
Adolescent rats exposed to stress grow into pathologically aggressive adults, behaviors that may be explained by accompanying epigenetic changes and altered brain activity.
Scientists propose a new model for how homosexuality develops, but observers say it will be difficult to test.
Cocaine-using rat fathers pass epigenetic changes on to their sons that make them resistant to coke addiction.
The science images and videos that captured our attention in 2012
While exploring the genetics of a rare type of tumor, Stephen Baylin discovered an epigenetic modification that occurs in most every cancer—a finding he’s helping bring to the clinic.
Nicotine leaves epigenetic marks on the rat genome that make offspring and grand-offspring more prone to asthma.
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