MS-ETS1-3
Analyze data from tests to determine similarities and differences among several design solutions to identify the best characteristics of each that can be combined into a new solution to better meet the criteria for success.
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Tech
Tiny swimming robots may help clean up a microplastics mess
Big problem, tiny solution. Researchers in the Czech Republic have designed swimming robots that can help collect and break down microplastics.
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Tech
Headphones or earmuffs could replace needles in some disease testing
A new system that uses earmuffs to collect gases coming out the skin could help doctors diagnose a variety of diseases, scientists say.
By Sid Perkins -
Health & Medicine
What is the role of in-person classes in COVID-19’s spread?
New data haven’t shown that schools pose a big coronavirus risk to kids and their families, despite fears that they might.
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Earth
Stores and malls buy into ponds and rain gardens for flood control
An extra bonus: These rainy-day ponds clean up that dirty water running off parking lots.
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Humans
How torchlight, lamps and fire illuminated Stone Age cave art
Experiments with stone lamps and torches are helping scientists see 12,500-year-old cave art with fresh eyes.
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Environment
‘Zombie’ wildfires can reemerge after wintering underground
Climate change may make these not-quite-dead blazes more common. Scientists are learning to predict where a zombie might emerge.
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Physics
Nuclear clocks are nearly here
More precise clocks could improve technologies such as GPS and help scientists test major ideas in science.
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Chemistry
Father-son bond inspires sweets that model the shapes of molecules
These bite-sized gummy candies could spark interest in the world of chemistry, especially among students who can’t see.
By Carmen Drahl -
Computing
Will this smartphone app become your exercise coach?
When one teen couldn’t go to the gym, she invented an app to bring her gymnastics coach to her home. She succeeded and won a major award for it.
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Tech
No animal died to make this steak
The ribeye steak is the first of its kind, and the latest in a growing list of meats printed with a 3-D bioprinter instead of being harvested from an animal.
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Chemistry
New recycling technologies could keep more plastic out of landfills
Recycling plastics is really hard — especially into useful materials. But new chemical tricks could make recycling easier.
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Materials Science
Bandages made from crab shells speed healing
The chitin in seafood wastes, insect “bones” and fungi is a chemist’s dream. Used in a new medical dressing, it beats regular gauze for wound healing.