gut bacteria, evolution
The Topography of Teeth
The Topography of Teeth
Bob Grant | Nov 29, 2016
Intricate, digital maps of animals’ teeth, created using the same geographical tools used by mapmakers, may help researchers determine the diets of extinct species.
Evolution May Have Deleted Neanderthal DNA
Evolution May Have Deleted Neanderthal DNA
Joshua A. Krisch | Nov 8, 2016
Natural selection may be behind the dearth of Neanderthal DNA in modern humans.
Ebola Evolved to Become More Infectious
Ebola Evolved to Become More Infectious
Ben Andrew Henry | Nov 7, 2016
A mutation that appeared early in the 2014 outbreak made the virus more infectious in humans, scientists show.
Protein Folding Pioneer Dies
Protein Folding Pioneer Dies
Kerry Grens | Oct 28, 2016
Susan Lindquist of MIT and the Whitehead Institute broke scientific ground on prions and heat shock proteins.
Week in Review: October 17–21
Week in Review: October 17–21
Jef Akst | Oct 21, 2016
Report finds that pathologist involved in anonymous defamation case committed multiple acts of misconduct; growing eggs from stem cells; neutrophils’ role in metastasis; convergent evolution in birds
Single-Celled Life Primed to Go Multicellular
Single-Celled Life Primed to Go Multicellular
Bob Grant | Oct 17, 2016
The unicellular ancestor of animals may have harbored some of the molecular tools that its many-celled descendants use to coordinate and direct cell differentiation and function, scientists show.
How Plants Evolved Different Ways to Make Caffeine
How Plants Evolved Different Ways to Make Caffeine
Ruth Williams | Sep 20, 2016
Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.
Stingrays Chew Too
Stingrays Chew Too
Ben Andrew Henry | Sep 15, 2016
Researchers observe stingrays moving their jaws to grind up prey, a behavior thought to be restricted to mammals.
Week in Review: September 5–9
Week in Review: September 5–9
Jef Akst | Sep 9, 2016
Environmental magnetite in the human brain; prion structure takes shape; watching E. coli evolve in real time; learning from others’ behavior 
Giant Petri Dish Displays Evolution in Space and Time
Giant Petri Dish Displays Evolution in Space and Time
Jenny Rood | Sep 8, 2016
As E. coli bacteria spread over increasingly concentrated antibiotics, researchers discover novel evolutionary pathways that confer resistance.