Brain
Scientists Say: Glymphatic System
The glymphatic system bathes the brain in cleansing fluids during sleep and clears away harmful cellular waste.
Brain
More Stories in Brain
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BrainWhy teens can’t help tuning out mom’s voice
Teens often tune out what their mom is saying. Normal brain changes during adolescence could explain why, new research shows.
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HumansLet’s learn about sleep
Sleep is key for health and wellbeing — but early school start times and screen time make it harder for teens to get shuteye.
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BrainWarning! Nicotine poses special risks to teens
Even a single dose of nicotine during early teen years can start a life-long cycle of nicotine use and addiction.
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BrainScientists Say: Stereoscopy
Stereoscopy allows the brain to perceive the two 2-D images seen by the eyes as a 3-D scene.
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PsychologyLying won’t stretch your nose, but it will steal some brainpower
The science of lying shows that most people don’t lie often. But when they do, it takes a surprising toll on their brains.
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HumansIs the sky really blue? It depends on what language you speak
English speakers talk about color a lot but rarely about smell. Researchers are learning how those who speak other languages sense the world and why differences arise.
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TechTeen inventors say: There’s got to be a better way
Finalists in the 2022 Regeneron Science Talent Search are revamping prostheses, earthquake safety systems and air travel.
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PsychologyAddiction can develop when reward-seeking changes a teen’s brain
Over time, the pleasure disappears and craving grows. That craving causes stress that can drive people to use drugs or pursue unhealthy behaviors again and again.
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BrainAmericans tend to see imaginary faces as male, not female
When people see imaginary faces in everyday objects, those faces are more likely to be perceived as male than female.