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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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AnimalsProfile: A human touch for animals
Temple Grandin uses her own autism to understand how animals think. The animal scientist is famous for fostering the humane treatment of livestock.
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PhysicsEinstein taught us: It’s all ‘relative’
One hundred years ago, a German physicist shared some math he had been working on. In short order, his theory of relativity would revise forever how people viewed the universe.
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Science & SocietyRetractions: Righting the wrongs of science
Retractions let scientific journals remove bogus studies from the record. It's part of a self-correction process that helps move science forward.
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SpaceStudents sent instrument to Pluto
The student-built dust counter on NASA’s New Horizons spacecraft is measuring how much grit and debris orbits out beyond Neptune.
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TechMaking cents of sounds
Some people give up when a vending machine rejects their money. But one student decided to turn his frustration into inspiration. Through research, he showed how to identify coins by the sounds they make.
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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