MS-ETS1-4
Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.
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AnimalsFrog’s gift of grab comes from saliva and squishy tissue
What puts the grip in a frog’s high-speed strike? Quick-change saliva and a super-soft tongue, scientists find.
By Susan Milius -
TechScientists turn toy into valuable tool for medical diagnosis
A human-powered ‘paperfuge,’ inspired by a toy, could serve as an easy, low-cost way to aid in medical diagnoses, even in regions of the world lacking access to electricity.
By Sid Perkins -
ComputingGerms power new paper batteries
New paper-based batteries rely on bacteria to generate electricity. These ‘papertronic’ power systems may be a safer choice for remote sites or dangerous environments.
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MathCool Jobs: Motion by the numbers
What do car crash testers, video game creators and scientists who study athletic performance have in common? All use geometry in their cool jobs.
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Materials Science3-D printers offer better way to make some magnets
3-D printers produced magnets as strong as conventional ones with less material wasted.
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How not to grin and bear it
Three teen researchers who took part in this year’s Broadcom MASTERS competition seek to help those who clench and grind their teeth.
By Sid Perkins -
Teen prints a device to help keep wounds dry
A Broadcom MASTERS finalist invented a sensor that goes off when a wound is too wet. This would alert a patient it’s time to change their bandage.
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AnimalsCreative ways to help coral reefs recover
Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.
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EarthWater sensor quickly detects algal poison
A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.
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BrainCool Jobs: Video game creators
Meet an engineer who worked on StarCraft II, an expert building a new kind of reality and a neuroscientist who uses games as brain therapy.
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ChemistryChemistry Nobel honors pioneers of world’s smallest machines
Three chemists are being honored with a Nobel Prize for their pioneering work creating itty bitty machines, including a microscopic ‘nanocar.’
By Tina Hesman Saey and Thomas Sumner -
TechHot, hot, hot? New fabric could help you stay cool
A plastic fabric can let body heat escape efficiently, if the material is filled with tiny bubbles of just the right size
By Sid Perkins