HS-ETS1-3
Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.
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Health & MedicineSimpler way to screen for hidden hearing loss?
Many teens today walk around with undiagnosed hearing damage. But some Boston-based researchers have come up with a low-tech approach to screening these individuals so they can get help.
By Lela Nargi -
ChemistryMilking chocolate for its health benefits
Researchers figure out how to give milk chocolate the same health benefits as dark chocolate. The secret ingredient is an extract from peanut skin.
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Health & MedicineCould toothpaste give heart disease the brush-off?
Brushing with a toothpaste that dyes plaque green encourages people to remove more of it. This also lowered inflammation, which may cut someone’s risk of heart disease.
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AgricultureTeen develops water-saving pods for seeds
In California’s drought, every drop of water counts. A teen developed a capsule to keep sprouting seeds wet and reduce water use.
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PhysicsHack: How to spy on a 3-D printer
Computer scientists have found that a hacker can eavesdrop on a 3-D printer using a smartphone. The technique uses sound and energy data produced by the printer.
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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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Health & MedicineVaping may put your smile at risk
As e-cigarette use among teens rises, scientists find that vaping may cause cellular damage to the mouth, gums and teeth. Even the cells’ DNA was affected.
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AnimalsSpidey sense: They can hear you!
Surprise! At least some spiders can hear us. Even without eardrums, jumping spiders can still detect airborne sounds from across the room.
By Susan Milius -
Health & MedicineWhy trans fats became a food villain
Trans fats are now known as a dietary villain. But in the beginning, scientists thought they were better than butter.
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EarthHouseplants suck up air pollutants that can sicken people
Certain indoor air pollutants can sicken people. But some houseplants can remove those chemicals from a room’s air, new data show.
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BrainOne day, computers may decode your dreams
Scientists are learning how to translate brain activity into words and thoughts. This may one day allow people to control devices with their minds.
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AnimalsBeetles offer people lessons in moisture control
Taking tricks from a beetle, researchers are designing surfaces that collect water from the air or resist frost buildup.
By Sid Perkins