Health & Medicine
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Health & Medicine
Later school starts linked to better teen grades
A Seattle study confirms that later high school start times improve teens’ sleep and grades. Fitbit-like activity trackers provided the evidence.
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Health & Medicine
Snot Science: Stopping the sneeze
In my previous study, I compared thick and thin snot. Now, I’ll find out if a tissue makes a difference in how far a sneeze spreads.
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Life
Scientists Say: Metabolism
Metabolism is all the chemical activities that support life in a cell, an organ and a whole organism’s body.
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Health & Medicine
Goose bumps may have hairy benefits
The nerves and muscles needed to set your hair on end and produce goose bumps also play a role in hair growth, new rodent data show. This suggests goose bumps might be useful in promoting hair growth.
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Health & Medicine
Analyze This: Most teen girls don’t meet guidelines for daily exercise
Girls trail boys in the amount of exercise they tend to get each day regardless of race.
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Brain
Marijuana use may affect decision-making areas in teen brains
Marijuana use during adolescence may damage decision-making areas of the brain, according to a new study in rats.
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Science & Society
Here’s the science you loved in 2018
When our readers read about science, they want to read about research that hits close to home, like smartphones, chocolate, vaping and more.
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Science & Society
ICYMI: 2018’s top science offerings
From gene-edited babies to firenados and lavanados, this year offered both stunning news and curiosities in the world of science and research.
By Janet Raloff -
Oceans
What makes Aquaman special? He can take a lot of pressure
The new Aquaman movie makes life under the sea look pretty glamorous. In fact, we puny humans probably couldn’t take the pressure.
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Health & Medicine
Keeping an irregular schedule may change how many calories you burn
Our daily cycle of calorie burning is one of many body processes that follow a biological clock.
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Health & Medicine
Silver nanoparticles help fight brain-eating amoebas
Nanotechnology may be — quite literally — a silver bullet for these microscopic monsters.
By Dan Garisto -
Health & Medicine
Sleepless nights can leave brains feeling anxious
Pulling an all-nighter boosts anxiety levels — and changes brain activity — the next morning, a new study finds.