MS-PS1-3
Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.
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ChemistryLots of makeup may contain potentially harmful ‘forever chemicals’
Hints of PFAS compounds have turned up in about half of tested makeup products. Waterproof mascaras and lipsticks were very likely to contain them.
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PhysicsNuclear 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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ChemistrySleep-friendlier lighting is on the way
Chemists have created a new glowing material for LEDs. It should lessen how much near-bedtime lighting impairs your ability to nod off.
By Manasee Wagh -
AnimalsMantis shrimp inspires somersaults of new soft robot
Its rolling acrobatics allow this robot to move especially swiftly — much as a fictional new Disney character can.
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ChemistryCopper ‘foam’ could be used as filters for COVID-19 masks
The lightweight new material could serve as a washable and recyclable, eco-friendly alternative for many current mask filters.
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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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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AgricultureDew collector brings water to thirsty plants
This invention grabs water from the air at night. All it needs is the sun’s warmth the next day to release that moisture to growing plants.
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ChemistryBye-bye batteries? Power a phone with fabric or a beacon with sound
New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.
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ChemistryA soil-based ‘concrete’ could make buildings green, even on Mars
A new soil-based material offers an alternative to concrete for 3-D printing environmentally friendly buildings.
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ChemistryFlexible devices may help clothes solar power your screens
A fluorescent polymer duo boosts the efficiency of solar cells. One day this material may coat your jacket, hat or backpack to provide power on the go.
By Shi En Kim