MS-ETS1-2
Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.
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EarthCommon water pollutants hurt freshwater organisms
The germ killers we use and the drugs we take don’t just disappear. They can end up in the environment. There they can harm aquatic organisms, three teens showed.
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ComputingDNA can now store images, video and other types of data
Tiny test tubes might one day replace sprawling data-storage centers, thanks to a new way to encode and retrieve information on strands of synthetic DNA.
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Materials ScienceHow to make window ‘glass’ from wood
Scientists have come up with a way to make wood transparent. The new material could be used in everything from windows to packaging.
By Sid Perkins -
TechTiny microrobots team up and move full-size car
Researchers have just created robots that mimic the ability of ants to move super-large objects.
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ChemistryGotcha! New test stalks diseases early
Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.
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ChemistrySmash hit: Making ‘diamond’ that’s harder than diamonds
Scientists had suspected extreme meteorite impacts might turn graphite into an unusual type of diamond. Now they’ve seen it happen — in under a nanosecond.
By Beth Geiger -
GeneticsGenes: How few needed for life?
Scientists rebuilt a microbe using its old genes. But not all of them. They used as few building-blocks as they could get away with and still have the life-form survive.
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PhysicsHow to catch a gravity wave
Physicists have just announced finding gravity waves. The phenomenon was predicted a century ago by Einstein’s theory of general relativity. Here’s what it took to detect the waves.
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TechPowered 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 & MedicineCool 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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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 & MedicineHow 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.