bacteria
Human Fleas and Lice Spread Black Death
Human Fleas and Lice Spread Black Death
Ashley Yeager | Jan 16, 2018
A new study suggests that the plague, which killed millions of people, was not transmitted by rats.
Image of the Day: Minions of the Cicada 
Image of the Day: Minions of the Cicada 
The Scientist Staff | Jan 9, 2018
Scientists study the unusual genome evolution of the bacteria that live within a genus of cicadas. 
Image of the Day: Virus Spacecraft 
Image of the Day: Virus Spacecraft 
The Scientist Staff | Jan 5, 2018
Researchers reconstruct images of a virus that infects Escherichia coli bacteria.
Image of the Day: Hunter Platelets 
Image of the Day: Hunter Platelets 
The Scientist Staff | Dec 19, 2017
Researchers explore how blood platelets sweep bacteria into aggregate bundles at sites of infection to help phagocytic cells dispose of them. 
Microbes of the Human Tongue Form Organized Clusters
Microbes of the Human Tongue Form Organized Clusters
Kerry Grens | Dec 5, 2017
Bacteria on the tongue’s surface reside in clumps distinguished by genus, unlike the intermingled communities observed in other tissues.
Image of the Day: Tissue Feast
Image of the Day: Tissue Feast
The Scientist Staff | Dec 5, 2017
Researchers are taking a close look at the bacterium that causes listeriosis disease.
 
Report: Security Lapses in Handling of Deadly Pathogens
Report: Security Lapses in Handling of Deadly Pathogens
Katarina Zimmer | Oct 31, 2017
A government report finds that laboratories in the U.S. that work with select agents such as Ebola and anthrax aren’t as secure as they should be.
Image of the Day: Microbes on Fake Mars
Image of the Day: Microbes on Fake Mars
Aggie Mika | Oct 18, 2017
By simulating the structure and composition of Mars’s rocky materials, scientists observe how the metal-eating, extreme environment–inhabiting microbe Metallosphaera sedula could alter extraterrestrial environments.
Bacteria Found in Women’s Upper Reproductive Tracts
Bacteria Found in Women’s Upper Reproductive Tracts
Diana Kwon | Oct 17, 2017
A new study identifies microorganisms residing in the human fallopian tubes and uterus, but some researchers are skeptical of the findings. 
Image of the Day: Rainbow Gut
Image of the Day: Rainbow Gut
The Scientist Staff | Oct 11, 2017
Rather than organizing into easily defined compartments, different microbes mix and intermingle within the mouse gut, scientists find.