Lynn Margulis, an innovative thinker who proposed symbiosis as a major mechanism for speciation, passed away last week.
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A team of paleontologists is racing to recover dozens of fossilized whale skeletons from the site of a road building excavation in northern Chile.
Traits that help one sex but hurt the other are not sufficient for maintaining genetic variation.
Scientists track changes in bacterial genomes during a hospital outbreak to discover potential pathogenesis genes.
A video of thousands of birds flying as a single coordinated, amorphous group stirs up questions about how they do it.
Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.
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 fossilized jaw bone and teeth from Western Europe are recognized as the oldest modern human fossils recovered in the region.
Bacteria age, but as a lineage, can live forever.
Researchers show that the bacterial species in probiotic, fermented dairy products may alter gene expression and metabolism in native gut microbiota.
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