Oceans
Small swimmers may play huge role in churning the seas
Hoards of migrating shrimp and krill can cause large-scale water movements in the ocean, a new study suggests.
HS-LS2-3
Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.
More Stories in HS-LS2-3
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Science & SocietyCool Jobs: New tools to solve crimes
Future investigators may identify criminals by the microbes they leave behind or by using DNA-like evidence from strands of their hair.
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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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EnvironmentKeeping space missions from infecting Earth and other worlds
Scientists are always looking for ways to stop Earthly microbes from polluting other planets. The same goes for bringing bits of other planets back to Earth.
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Science & SocietyShrimp on treadmills? Some science only sounds silly
Research that may seem silly, at first glance, often has a rewarding aim. Here are some examples.
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EcosystemsEarthworms: Can these gardeners’ friends actually become foes?
Asian jumping worms can strip leaf litter from floor of U.S. forests, new data show. Many native plants need that leaf litter for their seeds to germinate.
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EnvironmentFighting big farm pollution with a tiny plant
Fertilizer runoff can fuel the growth of toxic algae nearby lakes. A teen decided to harness a tiny plant to sop up that fertilizer.
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MicrobesMicrobes mine treasure from waste
Like miniature factories, bioreactors house microbes recruited to chew through wastes to clean dirty water, make chemicals or generate electricity.