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New Genes = New Archaea?
Molly Sharlach | Oct 15, 2014
Genes acquired from bacteria contributed to the origins of archaeal lineages, a large-scale phylogenetic analysis suggests.
Urban Hub Aided Early HIV Spread
Molly Sharlach | Oct 6, 2014
The AIDS pandemic probably began in the central African city of Kinshasa in the 1920s, a study shows.
Rina Shaikh-Lesko | Mar 12, 2014
A round-up of recent discoveries in behavior research
The Flight Size
Tracy Vence | Feb 5, 2014
The metabolic intensity of powered flight seems to have caused some bird genomes to shrink.
Week in Review: January 13–17
Tracy Vence | Jan 17, 2014
Debating the origins of placental mammals;
-human coevolution; ant, bee, and wasp queens emit similar pheromones; profiling protein expression in single cancer cells
New Species Abound
Jef Akst | Dec 26, 2013
A look at 2013’s noteworthy new species
A New Basal Animal
Ruth Williams | Dec 12, 2013
Comb jellies take their place on the oldest branch of the animal family tree.
Protein Sequencing Disputes Linnaeus
Jef Akst | Nov 6, 2013
Comparing the proteins of a 300-year-old pickled elephant fetus with modern sequence data challenges Carl Linnaeus’s decision to assign it as the Asian elephant type specimen.
Ancient Bee Die Out
Abby Olena | Oct 24, 2013
Researchers show that one group of bees likely suffered a mass extinction about 65 million years ago.
Drivers of Tropical Diversity
Erin Weeks | Sep 10, 2013
Researchers pinpoint rapid speciation, reduced extinction rates as reasons for increased diversity among tropical amphibians.