drugs, evolution
A Spoonful of Sugar
Jef Akst | Nov 23, 2011
A special glucose molecule makes tumor cells more vulnerable to a pair of cancer cell-killing drugs.
Whales Saved From Highway Project
Bob Grant | Nov 21, 2011
A team of paleontologists is racing to recover dozens of fossilized whale skeletons from the site of a road building excavation in northern Chile.
Battle of the Sexes
Hannah Waters | Nov 17, 2011
Traits that help one sex but hurt the other are not sufficient for maintaining genetic variation.
Infection Selection
Ruth Williams | Nov 13, 2011
Scientists track changes in bacterial genomes during a hospital outbreak to discover potential pathogenesis genes.
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.
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.
Cigarette Smoking Leads to Coke?
Jef Akst | Nov 4, 2011
Nicotine may alter the brain’s response to cocaine, supporting the idea that the legal drug may serve as a "gateway" to the use of illegal substances.
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.
Bacterial Rejuvenation
Edyta Zielinska | Oct 27, 2011
Bacteria age, but as a lineage, can live forever.
Wolbachia Boost Stem Cell Production
Jef Akst | Oct 20, 2011
The widespread bacteria known to manipulate host reproductive output can do so by ramping up stem cell division and consequent egg production in Drosophila.