A premature infant drinking from a bottle
In Search of the Best Milk Recipe for Preemies’ Gut Bacteria
Milk fortifiers of human origin show no evident advantage in the development of the gut microbiota of premature infants over fortifiers derived from cows, while the intake of the mother’s own milk does, two studies suggest.
In Search of the Best Milk Recipe for Preemies’ Gut Bacteria
In Search of the Best Milk Recipe for Preemies’ Gut Bacteria

Milk fortifiers of human origin show no evident advantage in the development of the gut microbiota of premature infants over fortifiers derived from cows, while the intake of the mother’s own milk does, two studies suggest.

Milk fortifiers of human origin show no evident advantage in the development of the gut microbiota of premature infants over fortifiers derived from cows, while the intake of the mother’s own milk does, two studies suggest.

microbes
A jar full of artificial sweetener packets.
Artificial Sweeteners Alter Gut Bacteria in Humans
Shafaq Zia | Aug 19, 2022
When consumed for as little as two weeks, common alternatives to sugar affect intestinal bacterial communities, with some reducing the body’s ability to regulate blood glucose levels, a study finds.
Mosquitos flying at sunset
Climate Change Worsens Most Infectious Diseases
Andy Carstens | Aug 8, 2022
Of the pathogens known to have infected humans, more than half may cause more widespread disease as a result of rising temperatures, precipitation changes, or other climate-related factors, a study finds.
A Connected Community: The Rise of Microbiome Research
The Scientist Creative Services Team
Explore how microbes shape health, disease, and the world beyond
Calm lake reflecting sky with boat in foreground
Plastic Pollution Boosts Bacterial Growth in Lake Water
Patience Asanga | Jul 26, 2022
A study finds that not only did aquatic bacteria thrive when chemicals washed from degrading plastic were introduced into lake water, they also broke down organic matter more efficiently.
scanning electron microscope image of clawlike microscopic organisms on a smoother surface
Phyla of Tiny Filter Feeders Find a New Spot on the Tree of Life
Alejandra Manjarrez | Jul 6, 2022
A new study using fairly complete genetic datasets of two phyla of small suspension feeders (Ectoprocta and Entoprocta) reopens the debate on the phylogenetic relationships between them and other animals.
Virus Hunters: Searching for Therapeutic Phages in a Drug Resistant World
The Scientist Creative Services Team
Researchers Jason Gill and Paul Turner will discuss their work on bacteriophage therapy to treat drug resistant bacterial infections.
Sleeping mice in chambers with mosquitoes behind them on a mesh
Mosquitoes Drawn to Hosts Infected by Dengue, Zika
Patience Asanga | Jun 30, 2022
Flavivirus infections alter the skin microbiome of mice to increase the production of a sweet-smelling compound that attracts the viruses’ insect vectors, a study finds.
Translucent, red-orange organs are shown inside a person’s transparent, blue torso. One region zooms in on blue lung alveoli covered by bright orange microbes.
Bacteria in the Lungs Can Regulate Autoimmunity in Rat Brains
Dan Robitzski | Mar 17, 2022
Making specific alterations to the bacterial population in a rat’s lungs either better protects the animals against multiple sclerosis–like symptoms or makes them more vulnerable, a study finds—the first demonstration of a lung-brain axis.
A Little Help From My Friends: Lessons Learned From Microbiome Metagenomics
The Scientist Creative Services Team
Heather Jordan and Jennifer Wargo will discuss how metagenomics studies help uncover new and medically relevant functions of the human microbiome.
Photo of Romaine River in Quebec
Microbial Analysis of River Reveals Considerable Diversity
Annie Melchor | Mar 1, 2022
Scientists in Canada trace how aquatic communities change as Quebec’s Romaine River flows into the sea.
Fish in a big blue aquarium
Microbes Responsible for Stealing Aquarium Medicine
Amanda Heidt | Feb 1, 2022
Researchers discover that bacteria break down medicinal compounds for their nitrogen, solving a mystery that has vexed aquatic veterinarians for years.
The Scientist Speaks Podcast – Episode 4
The Scientist Creative Services Team
Hidden Hitchhikers: Lessons Learned from The Human Microbiome Project
a vial of cobra venom and a bacteri-covered agar plate
Study Questions Sterility of Snake and Spider Venoms
Christie Wilcox | Jan 31, 2022
In work that has not yet been peer-reviewed, researchers present evidence that microbes can and do live inside the venom glands of several dangerous species. It remains unclear whether they’re to blame for infections linked to bites.
small striped mammal
Gut Microbes Help Ground Squirrels Endure Hibernation
Alejandra Manjarrez | Jan 27, 2022
By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.
microscope image of methaotrophs with black specks
Deep Sea Microbes Produce Graphite-like Carbon
Chloe Tenn | Nov 11, 2021
The first evidence of biologically produced elemental carbon inspires more questions than answers.  
illustration of colorful microbes inside a person's stomach and intestines
How Commensal Gut Bacteria Keep Pathogens in Check
Alejandra Manjarrez | Oct 14, 2021
Recent studies describe how resident microbiota appear to outcompete unwelcome visitors, either with superior weaponry or by guzzling up local resources.  
A purple bulge of microbes on the bottom of a lake
Longer Days Led to Oxygen Buildup on Early Earth: Study
Amanda Heidt | Aug 3, 2021
Researchers propose that some of the planet’s earliest photosynthesizers benefited from a slowing of the Earth’s rotation that allowed them to produce a surplus of oxygen and paved the way for more complex life.  
Microbial Fossils Found in 3.4-Billion-Year-Old Subseafloor Rock
Ruth Williams | Jul 14, 2021
The material, now part of an African mountain range, bolsters the idea that hydrothermal veins supported early forms of life.
An illustration of several DNA helices on a light red water color background
Human Blood Harbors Cell-Free Microbial DNA
Abby Olena | Jul 9, 2021
After controlling for high levels of bacterial contamination in their lab and reagents, researchers detect microbial genetic material in plasma samples from healthy people and cancer patients.