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Alma Dal Co wears a blue shirt and red necklace and uses a pointer to examine a component of a laboratory machine.
Microbial Ecologist Alma Dal Co Dies in Diving Accident
At 33, Dal Co had already founded her own microbial ecology lab at the University of Lausanne in Switzerland.
Microbial Ecologist Alma Dal Co Dies in Diving Accident
Microbial Ecologist Alma Dal Co Dies in Diving Accident

At 33, Dal Co had already founded her own microbial ecology lab at the University of Lausanne in Switzerland.

At 33, Dal Co had already founded her own microbial ecology lab at the University of Lausanne in Switzerland.

microbes
illustration of liver with veins in blue and arteries in red.
Ethanol-Making Microbe Tied to Nonalcoholic Fatty Liver Disease
Natalia Mesa, PhD | Oct 19, 2022 | 4 min read
A study adds to evidence linking gut bacteria to liver conditions in people who don’t drink excessive amounts of alcohol. 
Illustration showing the path result of Eukaryogenesis
Infographic: Evolutionary Leaps Leading to Modern Eukaryotes
Amanda Heidt | Oct 17, 2022 | 2 min read
A lot happened in the hundreds of millions years separating the first and last eukaryotic common ancestors, but when and how most features arose remains a mystery.
A Connected Community: The Rise of Microbiome Research
The Scientist Creative Services Team | 1 min read
Explore how microbes shape health, disease, and the world beyond
Hawaiian Bobtail squid
Symbiotic Organs: Extreme Intimacy with the Microbial World
Catherine Offord | Oct 3, 2022 | 10+ min read
All multicellular creatures interact with bacteria, but some have taken the relationship to another level with highly specialized structures that house, feed, and exploit the tiny organisms.
Illustration of a Hawaiian Bobtail squid
Infographic: Symbiotic Organs Bring Hosts and Microbes Closer
Catherine Offord | Oct 3, 2022 | 2 min read
Specialized structures in plants and animals help attract and mediate communication with bacterial symbionts.
Virus Hunters: Searching for Therapeutic Phages in a Drug Resistant World
The Scientist Creative Services Team | 1 min read
Researchers Jason Gill and Paul Turner will discuss their work on bacteriophage therapy to treat drug resistant bacterial infections.
A premature infant drinking from a bottle
In Search of the Best Milk Recipe for Preemies’ Gut Bacteria
Alejandra Manjarrez, PhD | Aug 22, 2022 | 5 min read
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.
A jar full of artificial sweetener packets.
Artificial Sweeteners Alter Gut Bacteria in Humans
Shafaq Zia | Aug 19, 2022 | 4 min read
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.
A Little Help From My Friends: Lessons Learned From Microbiome Metagenomics
The Scientist Creative Services Team | 1 min read
Heather Jordan and Jennifer Wargo will discuss how metagenomics studies help uncover new and medically relevant functions of the human microbiome.
Mosquitos flying at sunset
Climate Change Worsens Most Infectious Diseases
Andy Carstens | Aug 8, 2022 | 2 min read
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.
Calm lake reflecting sky with boat in foreground
Plastic Pollution Boosts Bacterial Growth in Lake Water
Patience Asanga | Jul 26, 2022 | 3 min read
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.
The Scientist Speaks Podcast – Episode 4
The Scientist Creative Services Team | 1 min read
Hidden Hitchhikers: Lessons Learned from The Human Microbiome Project
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, PhD | Jul 6, 2022 | 5 min read
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.
Sleeping mice in chambers with mosquitoes behind them on a mesh
Mosquitoes Drawn to Hosts Infected by Dengue, Zika
Patience Asanga | Jun 30, 2022 | 4 min read
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 | 4 min read
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.
Photo of Romaine River in Quebec
Microbial Analysis of River Reveals Considerable Diversity
Annie Melchor | Mar 1, 2022 | 4 min read
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 | 6 min read
Researchers discover that bacteria break down medicinal compounds for their nitrogen, solving a mystery that has vexed aquatic veterinarians for years.
a vial of cobra venom and a bacteri-covered agar plate
Study Questions Sterility of Snake and Spider Venoms
Christie Wilcox, PhD | Jan 31, 2022 | 8 min read
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, PhD | Jan 27, 2022 | 4 min read
By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.
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