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Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.
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Artificial IntelligenceA new tool could guard against deepfake voice scams
Scammers can use AI to create deepfake mimics of people’s voices. AntiFake could make that type of trick much harder to pull off.
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PlantsThis urban gardener is mimicking nature to create healthier plants
Urban garden specialist Kwesi Joseph is experimenting with rock dust and plants. He also helps New York City community and school gardens with gardening problems.
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Health & MedicineFamily, friends and community inspired these high school scientists
When looking for research ideas, listen to the people around you. What problems are they facing? What could you do to help?
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EnvironmentBottled water hosts many thousands of nano-sized plastic bits
The finding emerges from tests of a new tool that identified smaller-than-ever tiny plastic bits in three brands of bottled water.
By Laura Allen -
Materials ScienceLet’s learn about graphene
Scientists have been trying to understand and harness this material’s superpowers since its discovery in 2004.
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PhysicsNeutrons are unveiling hidden secrets of fossils and artifacts
Images made with these particles have revealed details of dinosaur bones, mummies and more.
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TechSynthetic biology aims to tackle disease and give cells superpowers
DNA machines and protein-mimicking nanotech could replace broken machinery in cells or even lead to made-from-scratch synthetic life.
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TechOffshore wind farms could do far more than just make clean power
Offshore wind farms cost more than onshore ones. But their ability to make ‘green’ hydrogen and capture carbon dioxide could help this wind power pay off.
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EnvironmentNew ultrathin materials can pull climate-warming CO2 from the air
To slow global warming, we’ll need help from CO2-trapping materials. Enter MXenes. They’re strong and reactive — and they love to eat up CO2.
By Shi En Kim -
EcosystemsRestoring giant underwater forests, one blade at a time
Giant kelp are at risk due to climate change and human activities. In New Zealand, a community effort is rebuilding these underwater algal forests.
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TechParticles from tree waste could prevent fogged lenses, windshields
A new coating made from a renewable resource — water-loving nanoparticles made from wood — could keep glass surfaces fog-free.
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TechBits of trees can make and store energy for us to use
This cellulose and lignin, two major building blocks of trees, could lead to greener electronics.