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.
HS-LS2-2
Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.
More Stories in HS-LS2-2
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Health & MedicineWhat ‘community’ spread of coronavirus means
Health experts warn there are probably many undetected cases already in the United States, raising chances the disease will soon be widespread.
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Health & MedicineSearch speeds up for vaccine against the new coronavirus
Scientists are investigating unusual ways to make drugs to prevent viral infections. One may even be able to treat already sick people.
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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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AnimalsDrones might one day capture a dolphin’s breath in midair
High-speed footage of dolphin spray reveals that droplets blast upward at speeds close to 100 kilometers per hour.
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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.