Ecosystems
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AnimalsAs trees come down, some hidden homes are disappearing
Animals such as frogs, toucans and possums live in tree hollows. But as people have cut down trees, a wildlife housing shortage has developed in some places.
By Roberta Kwok -
EcosystemsCool Jobs: Science deep beneath the waves
These scientists probe the sea’s depths, its strange inhabitants, the movement of water and how life evolves in extremes.
By Ilima Loomis -
AnimalsWildebeest drownings feed a river ecosystem for years
Hundreds or thousands of wildebeests can drown at a time in the Mara River. Those carcasses, however, will feed a succession of other animals.
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AgricultureBee hotels are open for business
Bee hotels are creating a buzz in conservation and research by offering nesting places for wild bees.
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ClimateCool Jobs: Bringing caves’ dark secrets to light
These three cave researchers study caves to learn more about climate, geology and organisms that can survive some of Earth’s most hostile environments.
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EcosystemsCamera catches new fish species — as it’s eaten!
A video of a lionfish eating a new-found species of fish raises concerns about the threat lionfish pose to undiscovered species in deep reefs.
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AnimalsUnderwater robot vacuums up lionfish
Lionfish damage coral reefs in the Atlantic Ocean. A new underwater robot hunts, stuns and captures the bullies with help from a human operator.
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EcosystemsCities 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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EcosystemsUnderwater meadows appear to fight ocean germs
The seagrasses that sway in coastal currents are more than aquatic groundcover. They can reduce harmful bacteria that might otherwise sicken neighboring animals, new data show.
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AnimalsUnder 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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AnimalsCreative ways to help coral reefs recover
Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.