Brain
- Brain
Mapping word meanings in the brain
A detailed new map shows that people comprehend words by using regions across the brain, not just in one dedicated language center.
- Brain
Small region of brain recognizes facial expressions
Scientists identify the brain region responsible for recognizing facial expressions in others. It helps us know whether others are happy or sad.
- Animals
Dragons sleep like mammals and birds
Lizards seem to alternate between two sleep states, just as mammals and birds do. This finding could change our understanding of how sleep evolved.
- Brain
A ‘cocktail’ in the brain can trigger sleep
A new study finds that a ‘cocktail’ of chemicals in the brain can directly cause mice to fall asleep or waken.
- Brain
Eyes offer new window into Alzheimer’s disease
The eye’s retina is distinctly different in people with Alzheimer’s disease compared to those with no signs of the malady, two teens now report finding. It could lead to earlier diagnosis of the brain disease.
- Brain
Left brain stands guard during sleepovers
Part of the left half of the brain remains on alert while the rest of the brain and body snooze.
- Brain
Headed to a concert this summer? Pack earplugs
Wearing earplugs at concerts and other loud events may prevent hearing loss and permanent ear damage, a new study suggests.
- Brain
Explainer: When loud becomes dangerous
Many people don’t realize that sounds — even those of the music they love — can prove harmful when they get too loud.
- Brain
Cool jobs: Brainy ways to battle obesity
Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.
- Brain
‘Mindfulness’ defuses stress in classrooms and teaching
The science behind mindfulness shows that both teachers and students can benefit from a bit of focused attention.
- Brain
When smartphones go to school
Students who use smartphones and other mobile technology in class may well be driven to distraction. And that can hurt grades, studies show.
- Brain
Early intro to sign language has lasting benefits
Children introduced to sign language as babies performed better on mental-processing tasks at age 12 — and as adults — than did people who learned sign language at age 3.
