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.
An infectious disease scientist at The Children’s Hospital of Philadelphia was brutally murdered in her home.
The release of infectious agents from the lab is not uncommon, but lab-acquired infections are rare.
Unlike epithelial cells, neurons respond to herpes infection through autophagy, rather than by releasing inflammatory factors.
Sequencing the whole genomes of bacterial pathogens as they spread among hospital patients and health care workers could transform the control of infectious disease.
The science images and videos that captured our attention in 2012
The 2011 outbreak in Germany that caused some 50 deaths was caused by a strain of E. coli with a complex mechanism of gene regulation.
Spillover, Answers for Aristotle, Who’s in Charge? and Science Set Free
New noninvasive methods of selecting the most viable embryo could revolutionize in vitro fertilization.
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