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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PhysicsScientists discover likely source of the moon’s faint yellow tail
These sodium atoms are part of the debris kicked up from the moon’s surface, mostly by micrometeorites, two new studies conclude.
By Sid Perkins -
ChemistryNew 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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Health & MedicineBandages 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.
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PhysicsGetting cozy with a science experiment
Items you use in your home can inspire a scientific experiment.
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AnimalsButterflies use jet propulsion for quick getaways
If you have ever tried to catch a resting butterfly, you know they are surprisingly difficult to nab. A new study helps explain why.
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LifeA robot made with a Venus flytrap can grab fragile objects
Scientists have “borrowed” the hair-trigger leaves of Venus flytraps to make a gentle grabber that can be controlled by a cellphone app.
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BrainNew technology can get inside your head. Are you ready?
New technologies aim to listen to — and maybe even change — your brain activity. But just because scientists can do this, should they?
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AnimalsNewfound technique allows some tree snakes to climb wide trees
When a tree is too wide to climb, brown tree snakes use a lasso-like trick to slowly ascend up to snacks.
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PhysicsScientists Say: Piezoelectric
Piezoelectric materials produce an electric voltage when they are bent or squished. This can let us harvest electricity from movement.
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Health & MedicineFive questions about COVID-19 vaccine trials in teens, answered
Scientists are now testing COVID-19 vaccines in teens. Why do teens need a separate trial? And what would happen? We’ve got answers.
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PhysicsWhat did you say? Fabric masks can really muffle voices
Some types of face masks muffle speech more than others — something that teachers should take into account.
By Sid Perkins -
Health & MedicineWhat kids need to know about getting a COVID-19 shot
COVID-19 vaccines are already being administered to some adults. Here’s what that means for kids and teens.