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Design a solution to a complex real-world problem by breaking it down into smaller, more manageable problems that can be solved through engineering.
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BrainHands-free but still distracted
When people aren’t distracted, they can see a traffic light change very quickly. But a teen scientist now shows that texting — even with a hands-free device — gets dangerously slow.
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AnimalsWhat’s the buzz? A new mosquito lure
Broadcasting a fake buzz can lure male Aedes aegypti mosquitoes away from females. That could reduce populations of these annoying — and disease-causing — insects, reports a teen at the 2015 Intel ISEF competition.
By Sid Perkins -
Cookie Science 15: Results aren’t always sweet
From my latest experiment, I now know how to make a cookie that my friend can enjoy. But here’s a puzzle: I could not repeat some results from my first set of tests.
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Cookie Science 14: One experiment, 400 cookies
Making delicious gluten-free cookies requires testing. And this means baking a lot of cookies with scientific precision.
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Health & MedicineHow hot peppers can soothe pain
Peppers can burn the tongue, but soothe sore tissues. Scientists have now sleuthed out how, and the answer shows a role for stretch sensors on cells.
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Cookie Science 13: The deal with gluten
To find out how to improve my gluten-free cookies, I learned a lot about what gluten does, and what other baking ingredients might take its place.
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PhysicsMachine simulates the sun’s core
A machine heats iron atoms to temperatures that match the interior of the sun. This has helped solve a solar mystery.
By Ilima Loomis -
ComputingVirtual wounds: Computers probe healing
To better understand how the body heals wounds, scientists have begun creating computer programs that let virtual cells fight it out. These ‘computer games’ could lead to better medicines.
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TechMake your own mini hovercraft
Hovercraft aren’t just the cars of the future. You can make your own with just a few household items.
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PlanetsPicture This: Falling to a comet
After a more than decade-long ride, a robotic lander has left its spacecraft and floated down onto the surface of a comet. From there it should begin scouting for hints at how our solar system formed.
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Teachers launch weather balloons, and a passion for science
Making science hands-on can help inspire students and show how interdisciplinary research can be. Here, two teachers share their experiences working with a high-altitude research-balloon kit.
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TechExplainer: What is 3-D printing?
A new type of computer printer is already doing a lot more than spraying ink onto paper. Some dispense metal, plastic, food — even cells. In short order, people may be able to manufacture almost anything from their home or office.