MS-LS1-3
Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.
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Health & MedicineOwww! World’s hottest chili leads to days of severe headaches
A man ate one of the hottest peppers in the world. About a minute later, his head began pounding. See why they didn’t permanently disappear for days!
By Dan Garisto -
Health & MedicineScience-fair finding allows girl to sample a croissant
Some supplements claim they can help people with celiac disease, who cannot digest gluten. But do the pills work? One teen used science to find out.
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LifeThis power source is shockingly eel-like
The electric eel’s powerful electric charge inspired this new squishy, water-based new approach to generating power.
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Health & MedicineObesity makes taste buds disappear — in mice, anyway
Mice that gained excessive weight on a high-fat diet also lost one in four taste buds.
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Health & MedicineExplainer: What is a concussion?
A concussion is a severe type of head injury that can damage a brain for weeks to years — perhaps even a lifetime.
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Health & MedicineExplainer: What is a hormone?
Various tissues secrete special chemicals, known as hormones. They travel, usually in blood, to a particular distant site where they tell certain cells it’s time to go to work.
By Janet Raloff -
ClimateHunting the mysterious source of a global illness
Doctors and scientists around the world are scouring the environment for the elusive cause of Kawasaki disease, a harmful childhood illness.
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BrainAdolescents are brain-dense — and that’s good
Gray matter is densely packed in adolescents, brain researchers now find. This may explain how developing adults cope with decreasing gray matter volume.
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PlantsScientists Say: Guttation
When water vapor can’t escape a plant, it might force its way out through a process called guttation.
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PhysicsAuto-focus eyeglasses rely on liquid lenses
Engineers have designed what could be the last eyeglasses anyone would need. Right now, they’re bulky but smart. Liquid lenses are key to their adjustability — and those lenses focus automatically.
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AnimalsFrog’s gift of grab comes from saliva and squishy tissue
What puts the grip in a frog’s high-speed strike? Quick-change saliva and a super-soft tongue, scientists find.
By Susan Milius -
AnimalsCool Jobs: Abuzz for bees
These scientists are keeping bees healthy, making medicines for people from honey and constructing bee-inspired robots.