Some of the 200 or so human embryonic stem cell lines approved for federal funding may have been derived from sperm or eggs of unconsenting donors.
Some of the 200 or so human embryonic stem cell lines approved for federal funding may have been derived from sperm or eggs of unconsenting donors.
A new study disputes findings of a 2011 analysis suggesting that black researchers are funded less than their equally qualified white peers.
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.
After a year-long voluntary moratorium to discuss regulations and safety measures, scientists are set to resume controversial H5N1 research.
A National Institutes of Health working group urges the agency to send most of its chimpanzees to a national sanctuary and halt half of the experiments involving such animals.
A neurodegenerative disease researcher found guilty of fabricating results in funding applications has written an open letter of apology and clarification.
Experts in Washington have reached an agreement over how to fund avian influenza research.
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