Engineering Design
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ChemistryWhy trans fats became a food villain
Trans fats are now known as a dietary villain. But in the beginning, scientists thought they were better than butter.
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EarthHouseplants suck up air pollutants that can sicken people
Certain indoor air pollutants can sicken people. But some houseplants can remove those chemicals from a room’s air, new data show.
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BrainOne day, computers may decode your dreams
Scientists are learning how to translate brain activity into words and thoughts. This may one day allow people to control devices with their minds.
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BrainExplainer: How to read brain activity
Electricity underlies the chattering of brain cells. Here’s how scientists eavesdrop on those conversations.
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EarthNicotine from smoke enters body through the skin
Scientists have shown for the first time that nicotine from cigarette smoke can enter the body through bare skin from the air or contact with smoky clothes.
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ComputingSelf-designed tattoos are fashionable technology
Researchers have created do-it-yourself temporary tattoos. They’re a fashion-forward way to control electronic devices.
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ChemistryLab creates new, unexpected type of ‘firenadoes’
A newly discovered type of fiery vortex burns hot and generates little soot. Scientists suspect it could be a solution to cleaning up oil spills at sea.
By Sid Perkins -
GeneticsExplainer: What is epigenetics?
Epigenetics is the study of molecular “switches” that turn genes on and off. Tweak those switches and there could be big health consequences.
By Janet Raloff -
Health & Medicine‘Smart’ sutures monitor healing
Coatings added to the threads used to stitch up a wound let researchers use electrical signals to monitor a wound’s healing — even one covered by a bandage.
By Sid Perkins -
AnimalsBeetles offer people lessons in moisture control
Taking tricks from a beetle, researchers are designing surfaces that collect water from the air or resist frost buildup.
By Sid Perkins -
EcosystemsWill chicken cologne guard you from malaria?
Mosquitoes that carry malaria are repelled by the smell of chickens. In malaria country, that could make these birds a human’s best friend.
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Health & MedicineNano medicines take aim at big diseases
Nanomedicines are new treatments and tools that are taking aim at disease from the cellular level. Medicine’s next big thing could be very teeny tiny.