microbiology, neuroscience, disease & medicine
Antibiotic Resistance Can Boost Bacterial Fitness
Antibiotic Resistance Can Boost Bacterial Fitness
Anna Azvolinsky | Jul 22, 2015
In some pathogenic bacteria, certain antibiotic resistance–associated mutations may also confer an unexpected growth advantage.
Why Screams Scare Us
Why Screams Scare Us
Jef Akst | Jul 20, 2015
Analyzing the acoustical qualities of screams and other sounds, researchers pinpoint why people find screams—and emergency vehicle sirens—frightening.
Underground Immunity
Underground Immunity
Kara Manke | Jul 16, 2015
Arabidopsis thaliana defense hormones shape the plant’s root microbiome. 
Mini Brains Model Autism
Mini Brains Model Autism
Ruth Williams | Jul 16, 2015
Patient-derived organoids reveal autism spectrum disorder–associated anomalies.
Mental Speedometer Cells
Mental Speedometer Cells
Amanda B. Keener | Jul 15, 2015
Scientists identify neurons that track speed in the brains of moving rats.
Microbiome Teams Up Against <em>C. diff</em>
Microbiome Teams Up Against C. diff
Jef Akst | Jul 14, 2015
Researchers build a mathematical model that can predict whether a mouse will be infected by Clostridium difficile based on the microbes found in its GI tract.
Three Monkey Brains, One Robotic Arm
Three Monkey Brains, One Robotic Arm
Jef Akst | Jul 10, 2015
Researchers network the brains of three monkeys to create a “living computer” that can steer an image of a robotic arm toward a target.
Gene Therapy Fixes Mouse Hearing
Gene Therapy Fixes Mouse Hearing
Kerry Grens | Jul 9, 2015
Expressing a gene for a component of the inner ear’s hair cells treated a form of genetic deafness.
Can We Smell A Trillion Odors?
Can We Smell A Trillion Odors?
Kerry Grens | Jul 8, 2015
A reanalysis calls into question a year-old claim that humans can decipher at least 1 trillion different scents.
Evolution of Kin Discrimination
Evolution of Kin Discrimination
Ashley P. Taylor | Jul 6, 2015
A bacterium’s ability to distinguish self from non-self can arise spontaneously, a study shows, reigniting questions of whether the trait can be considered an adaptation.