Ecosystems
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PlantsPollinators send out good vibrations — and plants respond sweetly
Snapdragon blooms can distinguish between the sounds of pollinators and thieves. They boost or drop the sugar in their nectar depending who’s arriving.
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AnimalsWhale pee is an ocean bounty
Some migrating cetaceans move thousands of miles to their breeding grounds, where whale urine fertilizes ocean waters with valuable nutrients.
By Laura Allen -
EcosystemsScientists Say: Ecosystem
The interplay between living things and the physical environment gives rise to Earth’s thriving, life-sustaining ecosystems.
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EnvironmentStudy uncovers secrets in water’s underground treks
Water's subterranean travels can be long, slow — and carry pollutants far from where they first got drawn into the Earth.
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AnimalsCaptive-breeding axolotls may help avoid their extinction
The axolotl program's success shows promise in helping protect this highly popular amphibian — currently found in only one lake — from dying out in the wild.
By Anna Gibbs -
AnimalsThe ‘bone collector’ caterpillar wears its prey as camouflage
For months, the caterpillar scavenges spider webs for scrapped insect body parts to cover its protective case. Later, that case will serve as its cocoon.
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AnimalsFreshwater fish are in trouble: Here’s how we can help them
Human activities threaten the survival of many freshwater fish species. Research is now pointing to how we can best overcome those threats.
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PlantsFor some trees, acting as lightning rods helps them survive
Being struck by lightning is usually bad. But for one tropical tree, a mighty zap can kill rivals and parasitic vines.
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AgricultureA secret climate superhero lies beneath our farms
Agriculture contributes to climate change. But changes to how farms manage soil might help remove carbon and other greenhouse gases from the air.
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PlantsCould trees ever get up and walk away?
In fantasy, trees can walk, climb and even fight. Real trees move, too. It just happens in extreme slow mo.
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EcosystemsAnalyze This: In movies, wetlands often get a bad rap
Swamps in films are often linked to danger, death and strange things. But movies also highlight wetlands’ biodiversity and resources.
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EcosystemsThere’s life beneath the snow — but it’s at risk of melting away
The organisms that make winter homes in this subnivium help forests thrive year-round. But climate change is making this ecosystem disappear.