Physics
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ChemistryNew coating for metals could cut engine wear
Scientists have developed a new coating for engine parts that could reduce friction and engine wear. One big benefit: Cars may require fewer oil changes.
By Sid Perkins -
MathMath predicts weird materials; leads to 2016 physics Nobel
The 2016 Nobel Prize in physics will go to three researchers that have made discoveries about exotic states of matter.
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PhysicsExplainer: How heat moves
Energy moves through the universe one of three ways: conduction, convection and radiation. Only radiation can occur through empty space.
By Sid Perkins -
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 -
BrainOur eyes can see single specks of light
The human eye can detect a single photon. This discovery answers questions about how sensitive our eyes are. It hints at the possibility of using our eyes to study issues of quantum-scale physics.
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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 -
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.
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Health & MedicineNew study raises questions about cell phone safety
U.S. government study in rats links cell-phone radiation to a small increase in brain cancers and heart tumors. Some scientists now worry about lifetime risks to today’s children and teens.
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AnimalsFrigate birds spend months without landing
Frigate birds can fly non-stop for months. They stay in the air with the help of upward-moving airflows, a new study finds.
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EarthFalling through Earth might be a long and fruitless trip
A classic physics problem asks what would happen if you plunged through Earth’s center. A new study contends you could never make it to the other side.
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PhysicsWhy the knuckleball takes such a knucklehead path
They used to say it was how the seams interacted with the air. The new explanation is different. Scientists say its due to a ”drag crisis.”
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ComputingClear, stretchy sensor could lead to wearable electronics
Researchers have combined plastics and metal to make a transparent, stretchable sensor. It could soon find use in touchscreens, wearable electronics and more.
By Sid Perkins