HS-LS2-7
Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.
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Materials ScienceSilk-based microneedles may help treat diseased plants
Engineers have invented silk microneedles to inject medicines into plants. One day farmers might use drones to dart their sick plants with meds from the air.
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EnvironmentGreener than burial? Turning human bodies into worm food
Composting human bodies yielded good results — and good soil — in one small study. It could become an alternative to burial or cremation in one state.
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AnimalsConservation is going to the dogs
Scientists are now training dogs to help track rare, elusive — and sometimes invasive — plants and animals.
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AnimalsDrones might one day capture a dolphin’s breath in midair
High-speed footage of dolphin spray reveals that droplets blast upward at speeds close to 100 kilometers per hour.
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ChemistryHelp for a world drowning in microplastics
Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.
By Sharon Oosthoek and Maria Temming -
AnimalsHealthy coral reef sounds attract fish searching for a home
Playing the sounds of a healthy reef can help attract fish to dying corals, helping rebuild their community.
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Climate5 things to know about the climate-saving benefits of tree planting
A recent analysis of the benefits of massive efforts to plant more trees triggered a firestorm of controversy.
By Susan Milius -
Animals‘Boot camp’ teaches rare animals how to go wild
Animals raised in captivity cannot safely re-enter the wilds without first understanding how to find food and avoid becoming a predator’s lunch. Scientists are helping some species learn this.
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AnimalsOcean heat waves are on the rise — and killing coral
Ocean heat waves are becoming hotter and more frequent. And one can be blamed for the 2016 coral deaths on the Great Barrier Reef.
By Dan Garisto and Carolyn Gramling -
ClimateAnalyze This: Climate change could make food less healthy
Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.
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PhysicsDisabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
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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.