Sparrow, microbiology, ecology, immunology
Waning Protection from Vaccination Explains Rise in Mumps Cases
Waning Protection from Vaccination Explains Rise in Mumps Cases
Catherine Offord | Mar 22, 2018
A study finds that the vaccine’s effects wear off as a person ages, suggesting a need for booster shots.
Image of the Day: Flock of Algae
Image of the Day: Flock of Algae
The Scientist Staff | Mar 21, 2018
Volvox barberi actively organize themselves into large colonies that optimize space.
Many Non-Antibiotic Drugs Affect Gut Bacteria
Many Non-Antibiotic Drugs Affect Gut Bacteria
Catherine Offord | Mar 20, 2018
A new study finds that more than 200 human-targeted, non-antibiotic drugs inhibit the growth of bacterial species that make up part of the human microbiome.
Monitoring Mutations with Microfluidics
Monitoring Mutations with Microfluidics
Ruth Williams | Mar 15, 2018
A device dubbed the “mother machine” enables real-time observation of mutagenesis in single bacterial cells.  
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Catherine Offord | Mar 8, 2018
In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.
Image of the Day: Living Color
Image of the Day: Living Color
The Scientist Staff | Mar 8, 2018
Biodegradable pigments could be custom-grown by bacteria in the future, say researchers.  
Slime Mold in Residence
Slime Mold in Residence
Ashley P. Taylor | Mar 2, 2018
At Hampshire College, students and faculty use the amoeba Physarum polycephalum—both a “visiting scholar” and a model organism—to examine human societal and political quandaries.  
Cancer-Fighting Chemical Found in Human Skin Bacteria
Cancer-Fighting Chemical Found in Human Skin Bacteria
Diana Kwon | Mar 1, 2018
A molecule produced by a strain of Staphylococcus epidermis interferes with DNA synthesis.
Parasitologist, Reprogrammed: A Profile of David Roos
Parasitologist, Reprogrammed: A Profile of David Roos
Anna Azvolinsky | Mar 1, 2018
After discovering a novel organelle found in protozoan parasites, the University of Pennsylvania’s Roos created a widely used eukaryotic pathogen database.
Circulating Mitochondrial DNA Alerts Immune System to Danger
Circulating Mitochondrial DNA Alerts Immune System to Danger
Katarina Zimmer | Mar 1, 2018
In response to short DNA fragments, lymphocytes release mitochondrial DNA that helps trigger an immune response.