cigarette smoking, cell & molecular biology, evolution, immunology
Neurotransmitter-Regulated Immunity
Rachel Nuwer | Sep 15, 2011
Nerve signals control T cell responses, helping to explain inflammation and stroke.
Skipping Pluripotency
Jef Akst | Sep 14, 2011
Researchers are developing ways to convert mature somatic cells from one cell type to another, avoiding the tumor-causing pluripotent stage associated with stem cells.
Behavior Brief
Jessica P. Johnson | Sep 13, 2011
A round-up of recent discoveries in behavior research
Obscure Organelle in Stem Cells and Cancer
Kerry Grens | Sep 11, 2011
Cellular structures known as midbodies, formed during cell division, appear to accumulate in stem cells and cancer cells, hinting at a potential function for these once-disregarded organelles.
Ancient Jelly Simplifies Animal Tree?
Sabrina Richards | Sep 9, 2011
A newly discovered fossil of a nearly 600-million-year-old comb jelly ancestor may call for scientists to rethink early animal evolution.
The Mosaic Pre-Man
Rachel Nuwer and Sabrina Richards | Sep 8, 2011
Newly excavated Australopithecus sediba fossils exhibit a mixture of primitive and more modern features.
Bacteria Clean Up
Jef Akst | Sep 7, 2011
Hair-like extensions on microbes that remove uranium and other metals from contaminated groundwater could one day help clean up after radiation spills.
Hypoallergenic Dogs Overhyped?
Bob Grant | Sep 6, 2011
A study finds that homes with dogs billed as hypoallergenic harbor just as many allergens as those housing other breeds.
Tobacco Company Versus Academia
Cristina Luiggi | Sep 6, 2011
The makers of Marlboro cigarettes are asking researchers at a Scottish university to disclose data on children’s thoughts on tobacco marketing.
Genetics Paper Retracted
Jessica P. Johnson | Sep 2, 2011
Due to statistical errors, a Science paper claiming that mutation is responsible for genetic variation is retracted.