Health & Medicine
Explainer: 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.
HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
More Stories in HS-LS1-2
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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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TechThis 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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AnimalsBeware the tap of the narwhal’s tusk
A new video shows narwhals using their tusks to tap fish before eating them. They might be stunning their prey — or just playing with their food.
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AnimalsHow a flamingo balances on one leg
Flamingos are so good at balancing on just one leg that they can snooze that way with little effort.
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EnvironmentTiny air pollutants inflame airways and harm heart
New studies show how tiny bits of air pollution, called particulate matter, can lead to health problems ranging from chronic runny noses to heart disease.