ISTOCK, GEORGEJASON
Microglia Cause Cognitive Decline in Obese Mice
Microglia Cause Cognitive Decline in Obese Mice
The brain’s immune cells gobble up synapses in the hippocampi of rodents fed high-fat or high-sugar diets.
Microglia Cause Cognitive Decline in Obese Mice
Microglia Cause Cognitive Decline in Obese Mice

The brain’s immune cells gobble up synapses in the hippocampi of rodents fed high-fat or high-sugar diets.

The brain’s immune cells gobble up synapses in the hippocampi of rodents fed high-fat or high-sugar diets.

stem cells, ecology, neuroscience, developmental biology
Exercise’s Benefits to Dementia Can Be Made Chemically
Exercise’s Benefits to Dementia Can Be Made Chemically
Ruth Williams | Sep 6, 2018
Boosting both neurogenesis and a brain-derived growth factor can mimic the cognitive benefits of exercise in a mouse mode of Alzheimer’s disease.
Adult Cardiac Stem Cells Don’t Exist: Study
Adult Cardiac Stem Cells Don’t Exist: Study
Diana Kwon | Sep 5, 2018
A mouse study adds to the growing body of work disputing the ability of progenitor cells to regenerate muscle tissue in adult mammals’ hearts.
Infographic: How Muscles Age
Infographic: How Muscles Age
Gillian Butler-Browne, Vincent Mouly, Anne Bigot, Capucine Trollet | Sep 1, 2018
Numerous cellular changes underlie the decline of muscle mass and strength in the elderly.
How Muscles Age, and How Exercise Can Slow It
How Muscles Age, and How Exercise Can Slow It
Gillian Butler-Browne, Vincent Mouly, Anne Bigot, Capucine Trollet | Sep 1, 2018
Researchers untangle the multifarious nature of muscle aging. So far, the only reliable treatment is exercise.
Tiny Tunnels Run from the Skull to the Brain: Study
Tiny Tunnels Run from the Skull to the Brain: Study
Ashley Yeager | Aug 29, 2018
Immune cells travel through these passageways to get to injured tissue quickly, researchers say.
Air Pollution Linked to Decline in Cognitive Performance
Air Pollution Linked to Decline in Cognitive Performance
Shawna Williams | Aug 28, 2018
A study compares verbal and math test scores to air quality measurements in China and finds a correlation.
New Cell Type Discovered in Human Brains
New Cell Type Discovered in Human Brains
Catherine Offord | Aug 28, 2018
Rosehip neurons are not found in rodents. Perhaps they offer clues about what separates our brains from those of other animals.
Culling Wildlife for the Sake of Research
Culling Wildlife for the Sake of Research
Anna Azvolinsky | Aug 27, 2018
A case in which the University of Florida killed birds to protect crop research raises questions on the ethics of field studies’ potential side effects.
Image of the Day: Fire Alarm
Image of the Day: Fire Alarm
Sukanya Charuchandra | Aug 24, 2018
Bats use both echolocation and vision to avoid eating unpleasant fireflies.