Physics
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EarthWater waves can have literally seismic impacts
Certain types of seismic waves are generated by waves on large lakes. These ground waves could be used to map fault zones or to monitor ice cover in polar lakes.
By Sid Perkins -
EarthExplainer: Seismic waves come in different ‘flavors’
Earthquakes generate several different types of seismic waves, some more damaging than others
By Sid Perkins -
EarthHot on the trail of Antarctic meteorites
For intrepid scientists, spotting meteorites against Antarctica’s dazzling whiteness is easy. Then what?
By Beth Geiger -
Health & MedicineNew treatment could calm temperature-sensitive teeth
Dentists aren’t happy with today’s treatments for sensitive teeth. Sand-like nanoparticles carrying green tea extract could bring longer pain relief.
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Materials ScienceWant a tougher space suit? Just add liquid
Using a special liquid, engineers are designing new treatments for spacesuits so that they can better resist puncturing from tiny meteorites and other hazards.
By Marcus Woo -
PhysicsScientists Say: Laser
A laser is a device that emits a strong, narrow beam of light. “Laser” is actually an acronym, and stands for “light amplification by stimulated emission of radiation.”
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MicrobesMagnetic heating may replace surgery to cure some infections
Scientists are testing magnetic fields as a way to kill bacteria that drugs normally cannot reach — such as those on medical implants inside the body.
By Ilima Loomis -
AnimalsLasers can turn a spider’s silk into sculptures
Spider silk is strong and super-stretchy. Scientists have developed a way to sculpt that material into unusual, micro-scale shapes using lasers.
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ArchaeologyScientists detect mystery void in Great Pyramid of Giza
Using high-tech tools normally reserved for studies in particle physics, scientists have found a large, hidden void inside Egypt’s Great Pyramid of Giza.
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PhysicsAncient light may point to where the cosmos’ missing matter hides
The universe is missing some of its matter. Now astronomers may have a way to find it.
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PhysicsTeen identifies way to detect failing underground pipes
A teen researcher uses acoustics — here, pipe vibrations — to test whether buried water pipes are about to fail, and leak.
By Sid Perkins -
GeneticsOne day, your sunscreen may be made from DNA
A new approach to sunscreen could use a thin layer of DNA to protect skin cells — and hopefully prevent cancer.