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 & MedicineUltrasound might become a new way to manage diabetes
Ultrasound turns on production of the hormone insulin in mice. Someday, it might help maintain healthy blood-sugar levels in people who were recently diagnosed with diabetes.
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Health & MedicineExplainer: The benefits of phlegm, mucus and snot
There are many types of mucus in the body. They might seem gross, but these gloppy goos are the first line of defense against infection.
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Health & MedicineExplainer: Taste and flavor are not the same
What’s behind a food’s flavor? More than what we taste, it turns out.
By Lela Nargi -
Health & MedicineExplainer: What is the vagus?
The vagus nerve runs from the brain all through the body. It controls many basic functions, including how fast the heart beats.
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Health & MedicineScientists discover how norovirus hijacks the gut
Noroviruses make people vomit, but scientists didn’t actually know why. It now turns out that those viruses cause their misery by attacking special “tuft” cells in the gut.
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AnimalsOrca snot leads to a whale of a science-fair project
DNA found in the mucus of orcas suggests that even though the traits of family pods may differ, these marine mammals all appear to belong to a single species.
By Sid Perkins -
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