MS-LS2-2
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
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AnimalsWolves beat dogs at problem-solving test
When treats are at stake, wolves outperformed dogs at opening a closed container. The dog’s relationship with humans may explain why.
By Susan Milius -
AgricultureOrganic 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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ComputingThese 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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PlantsUsing 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.
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EcosystemsScientists Say: Taphonomy
Studying what happens to plants and animals after they die can teach us about ecosystems and evolution. This study has a special name.
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MicrobesThe bugs within us
Hordes of bacteria live inside people and other animals. This ‘microbiome’ can affect the development of the blood-brain barrier, food choices — even mating.
By Roberta Kwok -
AnimalsScientists feed bed bugs (on purpose)
To study bed bugs in the lab, scientists had to first learn how to keep the blood-thirsty critters well fed. And that proved easier said than done.
By Brooke Borel -
AnimalsWhat’s for dinner? Mom.
Female spiders of one species make the ultimate sacrifice when raising their young: The mothers feed themselves to their children.
By Susan Milius -
MicrobesNews Brief: Ebola’s dead stay infectious for a week
The Ebola virus doesn’t die with its victims — at least not right away. A corpse may host live virus for up to a week after death, a new study finds.
By Janet Raloff -
AgricultureDitching farm pollution — literally
An Indiana project shows how fighting fertilizer runoff can save farmers money, protect wild habitats and prevent harmful algae blooms.
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MicrobesMaking a microbe subway map
We are surrounded by bacteria, fungi and other tiny organisms. Now, high school scientists have contributed to the first map of microbes in the New York subway system.
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MicrobesNew virus may have given kids polio-like symptoms
More than 100 U.S. children developed a paralyzing illness in 2014. Genetic evidence now suggests that the most likely culprit is a new form of a virus in the polio family.