Engineering Design
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TechThis power source is shockingly eel-like
The electric eel’s powerful electric charge inspired this new squishy, water-based new approach to generating power.
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GeneticsExplainer: DNA hunters
Snippets of DNA can be left behind by a passing organism. Some researchers now act as wildlife detectives to identify the sources of such cast-off DNA.
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GeneticsExplainer: Why scientists sometimes ‘knock out’ genes
How do we learn what a particular molecule does in the body? To find out, scientists often 'knock out' the gene that makes it. Here’s how.
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Science & SocietyExplainer: Weather and weather prediction
The sun and Earth combine to create the planet’s weather systems. And science is getting good at predicting what they’ll do.
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PhysicsDisabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
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AnimalsListening to fish love songs can predict their numbers
Gulf corvinas croak for mates while in groups of millions. By listening to their undersea serenades, scientists may be able to estimate how many are out there.
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TechTherapeutic 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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ChemistryNew rules point scientists toward next-gen germ-killers
Shape and other features help germ-killing drugs make it through barriers to enter bacteria. Knowing how they do this could lead to more and better better antibiotics.
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ChemistryTo test pill coatings, try a stomach in a flask
Which pain reliever should you buy? The tablet, gel tab or compressed caplet? A teen did an experiment to find out.
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ChemistryBPA-free plastic may host BPA-like chemical, teen finds
Something has to replace the BPA in ‘BPA-free’ plastics. A teen has been probing what that is.
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TechUnderwater 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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MicrobesPlant extract mutes germs to fight infections
A plant extract prevents the aggressive behavior seen in some germs. Using it could fight the development of most bladder infections, a teen’s research suggests.
By Sid Perkins