Ecosystems: Interactions, Energy, and Dynamics
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Animals
Weed killers may go from plant to pooch
Dogs love to roll around in the grass. But if there is weed killer around, it could end up on — and in — our furry pals.
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Agriculture
Made in the shade
Agroforestry combines woody plants and agriculture. Growing trees alongside crops and livestock benefits wildlife, environment, climate — and farmers.
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Environment
Insecticide can change a spider’s personality
A chemical meant to kill moths affects the behavior of some spiders. It alters the spiders’ ability to capture prey — including those moths.
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Agriculture
Organic food starts to prove its worth
Organic food often comes with a higher price. But research is showing that food grown this way can be better for the environment — and possibly for us.
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Microbes
How ‘brain-eating’ amoebas kill
When people infected with a “brain-eating amoeba” die, their own immune systems might be to blame.
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Health & Medicine
Five things to know about ‘brain-eating’ amoebas
These parasites can be scary, but they rarely trigger infections. Still, knowing more about them can help you avoid behaviors that heighten risks.
By Janet Raloff -
Animals
Explainer: Male-female flexibility in animals
Some animals behave as if they were the opposite sex; others can even change their sex — and still produce offspring.
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Brain
To protect kids, get the lead out!
Lead poisons hundreds of thousands of children. In Chicago, experts show how the toxic metal hurts test performance in school.
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Computing
These young scientists are passionate about tech and math
The 2015 Broadcom MASTERS International delegates show why math and computer skills are key to the success of science-fair projects.
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Health & Medicine
How this vitamin can foster pimples
Oh no! Vitamin B12 can cause skin bacteria to secrete chemicals that cause zits.
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Animals
Biowarfare saves bats from killer fungus
Good news for bats. Those infected with white-nose syndrome may be cured by a brief exposure to fumes from therapeutic bacteria.
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Plants
Using plants to solve environmental problems
Problems in their communities suggested good research projects to three teens. Each wanted to tackle a different issue, from pollution to world hunger. To learn more about these issues, they turned to their local ponds, wetlands and gardens.