Tech
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ChemistryMeet the world’s smallest monster trucks
These DNA-scale nano-vehicles surprised chemists. The bonds that hold their atomic building blocks in place grip the wheels more strongly than anyone had expected.
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FossilsT. rex may not have been able to run — but it was still pretty fast
T. rex was fearsome, but its leg bones may not have been strong enough to stand the stresses of running.
By Sid Perkins -
EarthVinegar dissolves new electronics when they’re no longer needed
Now you see it, now you don't. A new lightweight, low-cost technology disintegrates in kitchen vinegar.
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ComputingMath + teens + practice = a winning competition
Training for an Olympics of math helps students stretch their creativity and learn problem solving skills. If you like puzzles, you might want to check out these events.
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GeneticsScientists hide a real movie within a germ’s DNA
A gene-editing technology called CRISPR helped scientists encode a short movie in the DNA of E. coli bacteria.
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GeneticsExplainer: How CRISPR works
Scientists are using a tool called CRISPR to edit DNA in all types of cells.
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Materials ScienceRobot grippers imitate gecko feet to help nab space junk
NASA is testing robotic, gecko-inspired gripper hands that might one day help clean up space junk.
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Health & MedicineGetting a flu ‘shot’ could become as easy as sticking on a bandage
A new skin patch delivers a flu vaccine painlessly through dissolving microneedles. Such an easy-to-store and easy-to-use technology may help boost vaccination rates.
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TechCool Jobs: Bringing you summer thrills
Fireworks and ride designers combine math and science to engineer some frightfully good summer fun.
By Gerri Miller -
Health & MedicineTherapeutic robots may soon swim within the body
Scientists are designing tiny robots that may one day do work inside the human body.
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AnimalsUnderwater robot vacuums up lionfish
Lionfish damage coral reefs in the Atlantic Ocean. A new underwater robot hunts, stuns and captures the bullies with help from a human operator.
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EnvironmentMaybe ‘shade balls’ should not be balls
So-called shade balls have a range of uses in water reservoirs, from cutting evaporation to reducing the growth of algae. But the best performers might not actually be balls, a Florida teen now shows.
By Sid Perkins