stem cells, ecology, evolution
Maintaining Cooperation
Maintaining Cooperation
R. Ford Denison and Katherine Muller | Jan 1, 2016
How organisms keep their biological partners from cheating
Ancient Irish
Ancient Irish
Jef Akst | Dec 30, 2015
The genomes of a 5,200-year-old woman and three 4,000-year-old men yield clues about the founding of Celtic populations.
CIRM Ups Translational Velocity
CIRM Ups Translational Velocity
Bob Grant | Dec 21, 2015
California’s stem cell agency unveiled a 5-year plan that includes starting 50 new clinical trials.
Dog Origins Disputed
Dog Origins Disputed
Karen Zusi | Dec 17, 2015
A genomic study suggests that dogs diverged from wolves in Southeast Asia 33,000 years ago, contrary to reports placing their origins elsewhere on the continent.
Constant Evolution
Constant Evolution
Ruth Williams | Dec 16, 2015
Bacteria growing in an unchanging environment continue to adapt indefinitely.
“Ghost Fibers” Help Heal Muscle Injury
“Ghost Fibers” Help Heal Muscle Injury
Karen Zusi | Dec 15, 2015
Injured muscle cells leave behind organized collagen fibers that act as scaffolding for new tissue growth.
Mining the Mite-ochondrial Genome
Mining the Mite-ochondrial Genome
Tracy Vence | Dec 14, 2015
Phylogenetic analysis of DNA isolated from human hair follicle–dwelling mites shows that different lineages of the arthropods are associated with hosts with different regional ancestries.
Owl Be Darned
Owl Be Darned
The Scientist Staff | Dec 4, 2015
Researchers studying city-dwelling birds are learning about which animals are more suited to urban life.
A Beast from the East
A Beast from the East
Bob Grant | Dec 2, 2015
Researchers unearth a dog-size, horned dinosaur from eastern North America, whose features suggest evolutionary isolation from western dinos.
Repositioning Ctenophores
Repositioning Ctenophores
Karen Zusi | Dec 1, 2015
A reanalysis of phylogenetic data places sponges, rather than comb jellies, back at the base of the animal tree.