Microbes
Check out the communities of bacteria living on your tongue
Bacteria scraped off the tongue offer a window into how the microbes structure their communities.
MS-LS2-2
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
More Stories in MS-LS2-2
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AnimalsOuch! Jellyfish snot can hurt people who never touch the animal
A goo shed by at least one species of upside-down jellyfish contains stinging cells. They can cause pain even to creatures that never touch the jelly.
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AnimalsAnalyze This: Shimmering colors may help beetles hide
Delve into data showing how brilliant colors that shift as a viewer — or predator — moves may help iridescent insects blend in.
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Health & MedicineExplainer: What are allergies?
Sometimes the body’s immune system works too well, like a smoke alarm that blares every time you cook pizza. The results can range from uncomfortable to potentially life-threatening.
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Health & MedicineThe many challenges of corralling a coronavirus outbreak
The Chinese government has quarantined millions of people in hopes of limiting spread of a new coronavirus. But no one yet knows how much this will help.
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EcosystemsNewfound desert soil community lives on sips of fog
Lichens and other fungi and algae team up to form a 'grit-crust' on the parched soil of Chile’s Atacama Desert. Those species slake their thirst with moisture from coastal fog.
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Health & MedicineExplainer: What is a coronavirus?
Coronaviruses are a diverse family of disease-causing agents. Some cause the common cold. Newer ones have emerged to pose more serious threats to people.
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Health & MedicineSerious virus emerges in China and is spreading globally
A new viral infection emerged in December 2019 among people in Wuhan, China. The mystery illness has already killed at least 17 people and sickened many hundreds.