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.
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Animals
When prey get scarce, these jellies become cannibals
Invasive comb jellies may feast on their larvae if massive population booms in summer deplete their prey.
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Animals
Minecraft’s big bees don’t exist, but giant insects once did
Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet.
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Health & Medicine
How to find the next pandemic virus before it finds us
Wild animals carry viruses that can sicken people. Monitoring those viral hosts that pose the greatest risk might help prevent a new pandemic.
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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.
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Environment
Greener than burial? Turning human bodies into worm food
Composting human bodies yielded good results — and good soil — in one small study. It could become an alternative to burial or cremation in one state.
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Science & Society
Science isn’t just for scientists
It doesn’t take an advanced degree or a lab to do science. All you need is curiosity and an interest in learning something new every day.
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Health & Medicine
What ‘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 & Medicine
Search 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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Animals
Analyze 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 & Medicine
Explainer: 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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Animals
Drones 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 & Medicine
The 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.