MS-ETS1-1
Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.
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ChemistryOlive oil untangles plastic
Vegetable oils can make plastic fibers stronger. And the process is safer and better for the environment than other detanglers.
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PhysicsBoom! Sounding out the enemy
Armistice Day marked the end of the Great War. But what arguably won the war was acoustics — the science of sound. It allowed Allied troops to home in on and rout the enemy.
By Ron Cowen -
Health & MedicineSome air pollutants seep through skin
The skin is the body’s largest organ. And it can let in as much or more of certain air pollutants than enter through the lungs, a new study finds.
By Janet Raloff -
ChemistryThese bubbles treat wounds
New research shows bubble-powered drugs can travel upstream, against the flow of blood, to seal wounds shut.
By Meghan Rosen -
AnimalsChikungunya wings its way north — on mosquitoes
A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.
By Nathan Seppa -
TechThis 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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ComputingComputing: Swapping a glove for the keyboard
Sensor-studded gloves, designed by a Texas teen, might someday serve as a virtual keyboard or musical instrument — or even help interpret sign language.
By Sid Perkins -
BrainStudying? Don’t answer that text!
Homework time? Put away the cell phone. Responding to texts gets in the way of learning and test-taking, teen researchers show.
By Sid Perkins -
AnimalsReturn of the bed bug
Bed bugs have staged a comeback over the past 15 years. The bloodsucking parasites succeeded through a combination of evolution and luck.
By Brooke Borel -
Materials ScienceCool Jobs: Big future for super small science
Scientists using nanotechnology grow super-small but very useful tubes with walls no more than a few carbon atoms thick. Find out why as we meet three scientists behind this huge new movement in nanoscience.
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AgricultureDitching farm pollution — literally
An Indiana project shows how fighting fertilizer runoff can save farmers money, protect wild habitats and prevent harmful algae blooms.
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ClimateDesert plants: The ultimate survivors
Creosote, mesquite and other desert plants rely on different adaptations to thrive, even when no rain falls for an entire year.