MS-ETS1-1
Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.
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TechThis battery stretches without losing oomph
Engineers have made a durable lithium-ion battery that can stretch to 150 percent of its original length. One day it could power wearable electronics.
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ComputingComputing: Swapping a glove for the keyboard
Sensor-studded gloves, designed by a Texas teen, might someday serve as a virtual keyboard or musical instrument — or even help interpret sign language.
By Sid Perkins -
BrainStudying? Don’t answer that text!
Homework time? Put away the cell phone. Responding to texts gets in the way of learning and test-taking, teen researchers show.
By Sid Perkins -
AnimalsReturn of the bed bug
Bed bugs have staged a comeback over the past 15 years. The bloodsucking parasites succeeded through a combination of evolution and luck.
By Brooke Borel -
Materials ScienceCool Jobs: Big future for super small science
Scientists using nanotechnology grow super-small but very useful tubes with walls no more than a few carbon atoms thick. Find out why as we meet three scientists behind this huge new movement in nanoscience.
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AgricultureDitching farm pollution — literally
An Indiana project shows how fighting fertilizer runoff can save farmers money, protect wild habitats and prevent harmful algae blooms.
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ClimateDesert plants: The ultimate survivors
Creosote, mesquite and other desert plants rely on different adaptations to thrive, even when no rain falls for an entire year.
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ComputingVirtual wounds: Computers probe healing
To better understand how the body heals wounds, scientists have begun creating computer programs that let virtual cells fight it out. These ‘computer games’ could lead to better medicines.
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BrainMagnets may make helmets safer
Magnets in sports helmets could repel players’ heads as they move toward a collision. This should reduce the risk of the hard hits that lead to concussions.
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TechExplainer: What is 3-D printing?
A new type of computer printer is already doing a lot more than spraying ink onto paper. Some dispense metal, plastic, food — even cells. In short order, people may be able to manufacture almost anything from their home or office.
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Health & MedicineFist bumps cleaner than handshakes
A handshake, while welcoming, can transmit lots of germs — many times more than a high five or, especially, a fist bump.
By Janet Raloff -
TechFashioning inks to ‘print’ tissues
3-D printing may one day create life-saving tissues and organs for transplants. But first researchers are learning how to tailor cell-filled “inks” for use in inkjet printers.