gut bacteria, evolution
Week in Review: February 22–26
Week in Review: February 22–26
Jef Akst | Feb 26, 2016
Questions about how E. coli evolves; spermatids in a dish; fighting bacteria with virus-like molecule; what drives metastasis; antibodies fight Ebola in monkeys
Similar Data, Different Conclusions
Similar Data, Different Conclusions
Ashley P. Taylor | Feb 23, 2016
By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.
Breast Milk Sugars Support Infant Gut Health
Breast Milk Sugars Support Infant Gut Health
Anna Azvolinsky | Feb 18, 2016
Oligosaccharides found in breast milk stimulate the activity of gut bacteria, promoting growth in two animal models of infant malnutrition.
iDarwin
iDarwin
Jef Akst | Feb 1, 2016
A synthetic interview with the father of evolutionary theory, now available as a smartphone app, teaches students and the public about the famed biologist.
Speaking of Science
Speaking of Science
The Scientist Staff | Feb 1, 2016
February 2016's selection of notable quotes
Fighting Back
Fighting Back
Mary Beth Aberlin | Feb 1, 2016
Plants can’t run away from attackers, so they’ve evolved unique immune defenses to protect themselves.
Chat With Charlie
Chat With Charlie
The Scientist Staff | Feb 1, 2016
See a preview of the app that lets you ask questions of a virtual Charles Darwin.
Jason Holliday: Tree Tracker
Jason Holliday: Tree Tracker
Jef Akst | Feb 1, 2016
Associate Professor, Virginia Tech, Department of Forest Resources and Environmental Conservation. Age: 37
Lizard Secretes Heat
Lizard Secretes Heat
Bob Grant | Jan 25, 2016
Researchers confirm the unprecedented endothermic abilities of a South American reptile.
Gut Microbes Need Fiber, Too
Gut Microbes Need Fiber, Too
Karen Zusi | Jan 13, 2016
A low-fiber diet decimated the diversity of bacterial species in mice colonized with human gut microbes in a recent study.