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Close up view of a border collie’s nose on a white background.
Dogs Engage in Scent-sational Science to Sniff out Staphylococcus Bacteria
Researchers take the guesswork out of infection detection by training dogs to recognize the scent of bacterial biofilm biomarkers.
Dogs Engage in Scent-sational Science to Sniff out Staphylococcus Bacteria
Dogs Engage in Scent-sational Science to Sniff out Staphylococcus Bacteria

Researchers take the guesswork out of infection detection by training dogs to recognize the scent of bacterial biofilm biomarkers.

Researchers take the guesswork out of infection detection by training dogs to recognize the scent of bacterial biofilm biomarkers.

News

An illustration of a purple and blueribosome using mRNA as a template to synthesize a red protein chain.
A Small RNA with a Big Impact on Cell Aging
Kamal Nahas, PhD | Oct 1, 2024 | 4 min read
Proteins that trigger cell senescence occupy much of the literature on aging, but a small RNA moves into the limelight.
A man in a blue shirt holds a pinkish paper cut out of a pair of lungs.
Genetic Engineering Hides Donor Organs from Host Immune System
Hannah Thomasy, PhD | Sep 30, 2024 | 5 min read
Antigen knockdown prevented organ rejection in minipigs, even in the absence of immunosuppression.
Blue immune cells with yellow spheres of protein surrounding them and landing on them.
Innate Immune Cells Develop Memory with a T Cell Marker
Shelby Bradford, PhD | Sep 30, 2024 | 4 min read
Human innate immune cells that “remember” previous stimulation could provide new insights into chronic inflammatory diseases.
A wooded ecosystem with mammoths alongside modern species such as arctic hares
Scientists Unearth the Oldest DNA Ever Found
Katherine Irving | Sep 27, 2024 | 3 min read
The 2.4-million-year-old environmental DNA fragments collected from permafrost in northern Greenland unlock insights into an ancient ecosystem.
The image shows a ball python curled up on top of a tree trunk in the wild.
How Pythons Adapt Their Hearts After a Big Meal
Claudia Lopez-Lloreda, PhD | Sep 26, 2024 | 4 min read
Python heart muscles ramp up their force to sustain metabolic activity to maintain increased metabolism during feeding.
A man in a green shirt gives a woman a piggyback ride outdoors, both are smiling.
A Deep Dive into Dopamine: Detox, Depression, and Beyond
Hannah Thomasy, PhD | Sep 25, 2024 | 4 min read
Dopamine is a nuanced molecule that not only plays important roles in bad habits but also in behaviors that are necessary for survival and well-being.
Image of the small intestines and colon within a person with three circular callouts, highlighting different microbes. 
Unlocking the Human Microbiome Mysteries: From Cancer to COVID-19
Laura Tran, PhD | Sep 24, 2024 | 4 min read
The microbiome is a dynamic environment that can give researchers the inside scoop on health and disease.
Connecting Psilocybin, Mushrooms, and Dreaming
Jef Akst | Sep 23, 2024 | 3 min read
Psilocybin, a psychedelic compound in magic mushrooms, triggers brain activity characteristic of dream states.
Two vaccine syringes on a baggy labelled with San Diego Zoo and Bonobo
Can Animals Get Covid and Should They Be Vaccinated?
Chris Baraniuk | Sep 23, 2024 | 7 min read
While covid has caused illness and millions of deaths among humans, multiple nonhuman animal species have turned out to be susceptible to it, too.
Collection of pink, green, blue, yellow, and green cubes with A, G, T, C, and a double helix printed on them.
An Overlooked Nucleotide Recycling Pathway Fuels Tumor Growth
Alejandra Manjarrez, PhD | Sep 23, 2024 | 4 min read
When it comes to supplying their purine needs, cancer cells may use salvaged metabolites, according to a study in mice. 
An illustration of a single cancer cell (in seafoam green) with four white blood cells (in green) attached to it.
The Circadian Clock Tells the Right Time for Immunotherapy
Sahana Sitaraman, PhD | Sep 23, 2024 | 4 min read
Administering immunotherapy when the tumor microenvironment is most susceptible to T cells enhances treatment efficacy in mice.
A giant panda sitting on a tree.
Stem Cells Could Save the Giant Panda
Sahana Sitaraman, PhD | Sep 20, 2024 | 4 min read
Scientists have perfected the recipe to convert giant panda skin cells into stem cells to study the animal’s biology and aid its conservation. 
Image of Lasker laureate Zhijian “James” Chen. He wears glasses and a light blue shirt under a dark blue sweater. He smiles at the camera.
DNA-Sensing Enzyme Wins the 2024 Lasker Award
Laura Tran, PhD | Sep 19, 2024 | 7 min read
Zhijian “James” Chen received this year’s Albert Lasker Award for discovering cGAS, an enzyme which scopes out DNA-based threats and alerts the immune system.
Two bottles of pumped breast milk alongside a pacifier.
Viral Activation Can Shape Breast Milk Composition
Nathan Ni, PhD | Sep 19, 2024 | 5 min read
A new study employs a multiomic approach to study how cytomegalovirus activation impacts breast milk bioactive factors and the infant microbiota.
Two hands holding tweezers and dissecting single points in a DNA sequence.
From CRISPR to Prime Editing: The Evolution of the Genome Editing Revolution
Danielle Gerhard, PhD | Sep 17, 2024 | 5 min read
Even as CRISPR-based tools become a lab staple, scientists strive to tackle the associated technological challenges to improve their efficacy and safety.   
A dark blue T cell with light blue and yellow structures on its surface.
Epigenetic Clocks Continue to Tick Over Multiple Lifetimes
Hannah Thomasy, PhD | Sep 17, 2024 | 5 min read
Murine T cells that survived at least four host lifetimes offer insights into immunological senescence. 
Image of blue and red worms navigating across a maze from left to right. The far right depicts a finish line for the worms.
Drunk Worms Wiggle Their Way to an Ig Nobel Win
Laura Tran, PhD | Sep 12, 2024 | 4 min read
University of Amsterdam researchers claimed the 2024 Ig Nobel Prize in Chemistry for studying polymers by racing inebriated and sober worms through a chromatography maze.
Abstract, colorful illustration of the human brain
A Gene Therapy to Treat the FOXG1 Brain Disorder 
Niki Spahich, PhD | Sep 12, 2024 | 4 min read
By postnatally providing a transcription factor important for brain development, researchers fixed abnormalities generated in utero in mice.
A steam train going over a viaduct.
Cellular Trains Make a Quick Getaway
Kamal Nahas, PhD | Sep 11, 2024 | 4 min read
Clusters of epithelial cells migrate at different speeds depending on their layout, with single-file assemblies making the fastest journeys.
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