Engineering Design
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TechTeen offers technology that could help brain surgeons
It can reproduce plastic models of the precise faulty vessels that need fixing. Now doctors can see them, hold them and practice on them long before they pick up a scalpel.
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Health & MedicineCommon plant could help fight Zika virus
A teen discovered that extracts from leaves of the San Francisco plant (Codiaeum variegatum) kill larvae of the mosquito that helps spread the Zika and dengue fever viruses.
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Health & MedicineBed bugs have favorite colors
Bed bugs change their color preferences as they get older. Adults like red and black, which may help the dark bugs avoid predators.
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Teen gymnast finds how best to keep her grip
Unsatisfied with anecdotal opinions on which type of gymnastics chalk was best, a teen used science to find out for herself.
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TechWhere did that turbine blade get smacked?
A new technique can help engineers figure out where a bird or other object collided with a wind turbine or other whirling blade.
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BrainSmall region of brain recognizes facial expressions
Scientists identify the brain region responsible for recognizing facial expressions in others. It helps us know whether others are happy or sad.
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TechControl a computer with your tongue
Thousands of severely paralyzed people could venture into cyberspace with the use of this new tongue-controlled computer mouse. It was developed by a teen.
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TechTeens invent way to keep floodwaters out of subways
Two New York teens have designed an inexpensive subway grate to block floodwaters from getting into subway tunnels.
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EnvironmentCommon water pollutants hurt freshwater organisms
The germ killers we use and the drugs we take don’t just disappear. They can end up in the environment. There they can harm aquatic organisms, three teens showed.
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Materials ScienceNanowires could lead to super-long-lived battery
Scientists have long been looking for ways to make rechargeable batteries that last forever. They now may be close. Their solution: gel-dipped nanowires.
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Health & MedicineInjured leg? Here’s a built-in footstool
Sometimes doctors advise people to keep a leg elevated, but there’s no footstool to rest it on. A teen designed a brace with a built-in kickstand.
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TechNew device identifies money by its color
Two teens have invented a gadget that can help the blind identify the value of a banknote based on its color.