stem cells, genetics & genomics, evolution
Another Non-invasive Fetal Test
Jef Akst | Nov 11, 2011
Fetal chromosomal microdeletions that can lead to developmental abnormalities are detectable in samples of the mother’s blood.
A Smoke-Swirl of Birds
Jef Akst | Nov 10, 2011
A video of thousands of birds flying as a single coordinated, amorphous group stirs up questions about how they do it.
How Skin Tells Time
Ruth Williams | Nov 9, 2011
The behavior of skin stem cells is regulated by a 24-hour circadian clock.
Bacterial Identity Crisis
Cristina Luiggi | Nov 9, 2011
Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.
Pioneers Make More Babies
Jef Akst | Nov 7, 2011
Women of the French families that colonized Canada in the 17th and 18th centuries had more children and grandchildren than late comers to the region.
A Negative Results Search Tool
Bob Grant | Nov 4, 2011
Researchers unveil BioNOT, a new app that scours PubMed for studies that report negative findings.
Earliest Modern Europeans Described
Jef Akst | Nov 3, 2011
A fossilized jaw bone and teeth from Western Europe are recognized as the oldest modern human fossils recovered in the region.
Genome Digest
Cristina Luiggi | Nov 2, 2011
Meet the species whose DNA has recently been sequenced.
DNA Sequencer Sales Going Down
Cristina Luiggi | Nov 2, 2011
Expecting significant cuts to the federal research budget, scientists are scratching expensive DNA sequencers off their wish lists.
BRCA1 Further Elucidated
Cristina Luiggi | Oct 27, 2011
Researchers have pinpointed the region of a key cancer gene that’s involved in tumor suppression.