HS-ETS1-3
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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Tech
Ouchless measles vaccine could save lives
A new ‘ouchless’ vaccine patch that uses dissolving microneedles could make efforts to vaccinate against measles more practical.
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Microbes
Powered by poop and pee?
Scientists are developing methods to not only remove human waste from wastewater, but also to harness the energy hidden within it.
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Health & Medicine
Cool Jobs: Researchers on the run
Researchers are taking running to extremes, from Olympic lizards to treadmills in space. The goal is to learn how athletes of all kinds can stay healthier.
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Tech
How to print shape shifters
3-D printing was only the beginning. Scientists are pursuing 4-D printing, creating objects that can move and interact with their surroundings.
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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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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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Tech
This battery stretches without losing oomph
Engineers have made a durable lithium-ion battery that can stretch to 150 percent of its original length. One day it could power wearable electronics.
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Tech
This door handle kills germs
A high-tech door handle may cut down on disease transmission, say its teen developers. The system is powered by simply opening and closing the door.
By Sid Perkins -
Space
Collecting trash in space
Space junk threatens satellites that cost millions of dollars. But one teen has come up with an idea to collect and dispose of that orbiting trash.
By Sid Perkins -
Materials Science
Keeping roofs cooler to cut energy costs
Cool it! A cheap paint-on coating for roofing shingles could help reduce a home’s heating bills and might even trim urban ozone levels, a teen shows.
By Sid Perkins -
Tech
Teens want to make windshield wipers obsolete
Windshield wipers often can’t keep up with the rain. High-intensity air sprays might one day take their place, according to research by two teens.
By Sid Perkins -
Tech
Stepping out with a smarter cane
Many older people trip and fall on uneven ground. A Colorado teen has designed a ‘smart’ cane to help seniors avoid dangerous obstacles.