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Image of the Day
Virtual Reality for Freely Moving Animals
Ashley Yeager | Aug 21, 2017
Experiments that place untethered fish, flies, and mice in simulated environments give clues about the animals’ social behavior.
First In Vivo Function Found for Animal Circular RNA
Catherine Offord | Aug 10, 2017
Mice lacking the RNA had deregulated microRNAs in the brain, disrupted synaptic communication, and behavioral abnormalities associated with neuropsychiatric disorders.
Infographic: Plastics’ Effects
Ee Ling Ng | May 31, 2017
Lab studies suggest that plastic pollutants in the environment could have detrimental effects on animals’ physiology.
Binge-Eating Neurons Identified
Jef Akst | May 26, 2017
Inducing activity in the zona incerta region of the brain prompts mice to gorge themselves.
Study Bucks Belief that Oxidative Stress Is Bad for Pregnancy
Jef Akst | May 16, 2017
Mouse experiments indicate that, contrary to observations in pregnant women, reactive oxygen species contribute to normal placental development.
Upgraded Photoswitch for Vision Repair
Jef Akst | Apr 13, 2017
Researchers improve on a technique to use a light-stimulated small molecule to confer longer-term photosensitivity to the retinal cells of blind mice.
Gut Microbes Contribute to Age-Associated Inflammation in Mice
Abby Olena | Apr 12, 2017
A mouse study reveals a causal link between changes in intestinal microbiota and increasing inflammation as the rodents age.
Hormone Released by Bone Suppresses Appetite
Abby Olena | Mar 8, 2017
A protein secreted by osteoblasts crosses the blood-brain barrier to regulate hunger in mice.
How Much Do Sex Differences Matter in Mouse Studies?
Joshua A. Krisch | Feb 24, 2017
Examining both male and female model organisms is worth the extra effort and added costs, most experts maintain, but whether the results translate to human studies is less clear.
Study: Zika Shrinks Testicular Tissue in Mice
Bob Grant | Feb 23, 2017
The virus may persist in testes even after the infection is no longer detectable in blood, leading to sexual transmission of the disease and fertility impairments.