Oceans
Ocean heat waves are on the rise — and killing coral
Ocean heat waves are becoming hotter and more frequent. And one can be blamed for the 2016 coral deaths on the Great Barrier Reef.
By Dan Garisto
HS-LS2-6
Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem.
More Stories in HS-LS2-6
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PlantsExplainer: The fertilizing power of N and P
Two elements — nitrogen and phosphorus — help plants grow. When the soil doesn’t have them, farmers might add them in the form of fertilizer.
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PhysicsDisabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
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LifeCities drive animals and plants to evolve
Biologists are finding that some species have used genetic changes to evolve — adapt — to the pollution and other stressors that they encounter in cities.
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EcosystemsAmerica’s duck lands: These ‘potholes’ are under threat
North America’s prairies are in trouble. Scientists race against the clock for clues about how to save the plants — and animals — that call it home.
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EcosystemsUnder blanket of ice, lakes teem with life
Life under frozen lakes is vibrant, complex and surprisingly active, new research finds. In fact, some plants and animals can only live under the ice. But with climate change, will that continue?
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TechWater sensor quickly detects algal poison
A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.
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MicrobesMouth germs team up to boost disease risk
The oxygen given off by harmless mouth bacteria can help disease-causing invaders grow strong and flourish.