An illustration showing a scale weighing two double-stranded pieces of DNA that has a big question mark in the center.
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes
A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.
ABOVE: © ISTOCK.COM, BSD555
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes

A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.

A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.

ABOVE: © ISTOCK.COM, BSD555

machine learning

a research sailboat with white sails inscribed with "tara ocean" traverses a body of water with small, rocky islands in the background
Q&A: Thousands of RNA Viruses Newly Discovered in Ocean Water
Dan Robitzski | Apr 7, 2022
The Scientist spoke with Ohio State University microbiologist Matthew Sullivan about a recent expedition that identified thousands of RNA viruses from water samples and cataloged them into novel phylogenic groups.
computerized image of different layers of a cell shown at great detail
New Studies Enable a Clearer View Inside Cells
Andrew Chapman | Nov 4, 2021
Armed with improved imaging techniques and supercomputers, researchers are generating detailed three-dimensional images of cellular structures that anyone can explore.
an illustration of a man with electrodes in his brain thinking about writing the word "hello," and the word appearing on a computer screen
Brain-Computer Interface User Types 90 Characters Per Minute with Mind
Shawna Williams | May 13, 2021
The experimental system, developed and tested in just one patient so far, relies on brain signals associated with handwriting to achieve the fastest communication yet seen with BCI.
Opinion: AI Could Aid Cancer Diagnosis, but Caution Is Needed
Adewole S. Adamson | Apr 1, 2021
While machine learning could improve detection of tumors at their earliest stages, it also risks identifying malignancies that would never cause the patient any harm.
dogs, olfaction, smell, prostate cancer, volatiles, diagnosis, disease, canine
Watch a Trained Pup Detect Prostate Cancer From a Urine Sample
Asher Jones | Feb 18, 2021
Good girl, Florin!
dogs, olfaction, smell, prostate cancer, volatiles, diagnosis, disease, canine
Dogs Are Teaching Machines to Sniff Out Cancer
Asher Jones | Feb 18, 2021
In a proof-of-concept study, researchers used dogs’ diagnoses of prostate cancer to inform a machine learning algorithm with the goal of one day detecting cancers with canine-level accuracy.
AI-Assisted Cough Tracking Could Help Detect the Next Pandemic
Max Kozlov | Dec 6, 2020
Some researchers have turned their focus to artificial intelligence to study an underused symptom common to most respiratory pathogens—cough.
covid-19 coronavirus sars-cov-2 pandemic eyes conjunctivitis artificial intelligence machine learning
Algorithm Spots COVID-19 Cases from Eye Images: Preprint
Anthony King | Sep 21, 2020
A small study shows artificial intelligence can pick out individuals with coronavirus infections, but ophthalmologists and AI experts say the approach is far from proven to be capable of distinguishing infections with SARS-CoV-2 from other ills.
Surgisphere Fallout Hits African Nonprofit’s COVID-19 Efforts
Catherine Offord | Jun 7, 2020
The company had helped develop a tool to aid decision-making in distributing limited medical equipment among coronavirus patients, but two high-profile retractions call into question the validity of Surgisphere’s work in toto.
bing liu university of pittsburgh school of medicine
Computational Biologist Bing Liu Dies in Suspected Murder
Kerry Grens | May 7, 2020
The University of Pittsburgh scientist, who was studying SARS-CoV-2, was shot to death in his home.
Facial Expressions Decoded in Mice
Ruth Williams | Apr 2, 2020
A combination of videography, machine learning, and brain imaging has identified facial expressions and neural activity patterns in mice that are associated with their emotions.
Artificial Intelligence Discovers Potent Antibiotic
Amy Schleunes | Feb 22, 2020
Researchers used a machine-learning platform to test more than 100 million molecules for antibacterial activity.
an illustration of Toxoplasma gondii parasites infecting cells
Top Technical Advances of 2019
Shawna Williams | Dec 24, 2019
From artificial intelligence to pluripotent stem cells, this year saw the publication of a bevy of intriguing new methods, as well as tweaks to existing protocols.
Image of the Day: Melanoma Neural Network
Emily Makowski | Dec 9, 2019
A deep neural network can help determine how likely cancer cells are to metastasize.
Co-mimic pairs from the species Heliconius erato (odd columns) and Heliconius melpomene (even column) sorted by greatest similarity from top left to bottom right
Image of the Day: ButterflyNet
Nicoletta Lanese | Aug 16, 2019
Scientists used machine learning to analyze the coevolution of physical traits in butterflies.
an illustration of a person's head rendered in 1s and 0s
AI Decodes Speech and Hearing Based on Brain Activity
Shawna Williams | Jul 30, 2019
The proof-of-concept study could be a step toward better assisted communication devices for paralyzed people.
nick loman
Machine Learning “Very Easy to Abuse”
Carrie Arnold | Jun 24, 2019
Microbiologist Nick Loman talks about the power of artificial intelligence and the best way to use it.
a CT scan of lungs
AI Accurately Detects Lung Cancer in Scans
Shawna Williams | May 21, 2019
An artificial intelligence program called a neural network exceeds radiologists’ ability to detect malignancies, but more testing is needed before using the program clinically.
Machine Learning Optimizes Images for Stimulating Monkey Neurons
Ruth Williams | May 2, 2019
Neural networks generate abstract images designed to activate particular cells, lending insight into their function.