Engineering Design
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TechThis squirrel-like robot has some serious hops
Salto the jumping robot has a claw-like gripper. Like a squirrel, it can adjust its movement to help it stay balanced to stick a landing on "branches."
By Meghan Rosen -
TechSquirty gels bring food-like flavors to virtual reality
A new device recreates complex flavors including lemonade, coffee and fish soup by delivering a mix of chemicals.
By Simon Makin -
TechDid builders of Egypt’s first pyramid use a water-powered elevator?
A controversial study suggests that ancient people might have used one to hoist the stones used to assemble into King Djoser’s pyramid.
By Bruce Bower -
SpaceSci-fi inspired spacesuit recycles pee into drinking water
A spacesuit that collects and filters urine could prove a boon to future remote workers — even on Earth. Like the idea? Thank Dune.
By Adam Mann -
PhysicsAerodynamics involved in shooting hoops can make vehicles greener
Some ships host tall spinning cylinders that act like sails. Roughing the cylinders’ surface will greatly boost fuel efficiency, teen scientists find.
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Materials ScienceA bit of electricity can glue hard metals to soft materials
Using this method to stick and unstick metals from soft materials could one day create new types of batteries.
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GeneticsA protein in sweat may protect people from Lyme disease
That protein stopped the disease-causing bacterium from growing in lab dishes or infecting mice.
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TechBioelectronics research wins top award at 2024 Regeneron ISEF
Three grand-award winners each took home at least $50,000. Hundreds more teens shared more than $9 million in prizes at the international competition.
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BrainHerbal medicine could help recovery after concussion
A finalist at Regeneron ISEF found that a plant native to China could supplement a common pain reliever that comes with unwanted side effects.
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PhysicsThe movie Frozen inspired the icy, 3-D printing of blood vessels
Ice guides a 3-D printing method to make realistic, artificial blood vessels. One day, such vessels could be used in lab-grown organs.
By Sarah Wells -
EnvironmentTo limit pollution, new recipe makes plastic a treat for microbes
Microplastics made from fossil fuels take centuries to disappear. But the plant- and algae-based plastic can break down in weeks to months.
By Skyler Ware -
Artificial IntelligenceArtificial intelligence is making it hard to tell truth from fiction
Experts worry that by making it harder to tell what’s true, AI can threaten people’s reputations, health, fair elections and more.