HS-ETS1-1
Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.
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PhysicsAuto-focus eyeglasses rely on liquid lenses
Engineers have designed what could be the last eyeglasses anyone would need. Right now, they’re bulky but smart. Liquid lenses are key to their adjustability — and those lenses focus automatically.
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Science & SocietyShould we call out to space aliens?
Scientists have been listening to space for decades, hoping to pick up alien signals. Now some have proposed we try broadcasting a welcome call.
By Ilima Loomis -
AnimalsCool Jobs: A world aglow
Three scientists probe how the natural world makes light, in hopes of using this information to design new and better products.
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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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AnimalsCool Jobs: Abuzz for bees
These scientists are keeping bees healthy, making medicines for people from honey and constructing bee-inspired robots.
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ComputingThe Internet of Things wants to link all facets of our world
The Internet of Things means everyday objects are becoming computers. Can people harness this technology to make the world better?
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ComputingLEDs offer new way to kill germs in water
Growing ultraviolet-light-emitting diodes on thin, flexible sheets of metal holds promise for water disinfection and other applications.
By Sid Perkins -
AgricultureWorld’s tallest corn towers nearly 14 meters
Short nights and a genetic tweak helped novel corn reach record heights.
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ComputingComputer hackers take to the cloud
People use cloud computing for storing files online. A new study shows the dark side of the cloud: These services can harbor malware.
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ChemistryFingers leave tell-tale clues about you on your phone
Analyzing chemicals on a cell phone tells researchers what the caller had been up to. That includes recent meals and where they'd been.
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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.