Ecosystems: Interactions, Energy, and Dynamics
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Animals
Industrious badger caught burying an entire cow
Badgers are known to bury small animals. That allows them to save a meal for future dining. Now researchers have caught them caching something much bigger: young cows.
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Brain
Among mice, scratching is catching — as in contagious
Contagious itching spreads by sight, mouse-to-mouse. Scientists have now identified brain structures behind this phenomenon.
By Susan Milius -
Tech
Cool Jobs: Doing real science in virtual worlds
Virtual reality isn’t just for gamers. Scientists are using VR technology to tackle real-world problems.
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Life
Cities 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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Ecosystems
America’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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Environment
Did your burger come with a side of non-degrading pollutants?
Perfluorinated compounds pollute the environment and might harm human health. A new study shows that one place they often show up is the paper and cardboard used to package fast foods.
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Microbes
Will we know alien life when we see it?
The hunt is on for extraterrestrials. But recognizing them may require some wiggle room in what we define as being alive.
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Earth
Keeping 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 & Society
Fossils point to Neandertal diets — and medicine use
Whether Neandertals were largely meat-eaters or vegans depended on their environment, fossils now suggest. Their teeth also indicate they used natural medicines.
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Environment
Cleaning up water that bees like to drink
Plant roots suck up pesticides used on soils, then release them into water that can seep from their leaves. This is a sweetened water that bees love to sip. A teen figured out how to remove most of the pesticide with bits of charcoal.
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Animals
Cool Jobs: A world aglow
Three scientists probe how the natural world makes light, in hopes of using this information to design new and better products.
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Agriculture
Teen converts water pollutant into a plant fertilizer
Too much phosphate can fuel algal growth, which can rob oxygen from the water. This can suffocate fish and other wildlife. Stefan Wan found a way to collect that pollutant, which can later be used as a farm nutrient.