All Stories
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Physics
Scientists used lasers to make ‘smoke rings’ of light
Physicists had a bright idea: Make light into swirling, ring-shaped vortices, similar to smoke rings or bubble rings.
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Animals
Sleepy mosquitoes prefer dozing over dining
Mosquitoes repeatedly shaken to prevent slumber lagged behind well-rested ones when offered a leg to feed on.
By Anna Gibbs -
Planets
Scientists Say: Habitable Zone
The habitable zone is the region around a star where temperatures could be right for worlds to host liquid water.
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Tech
You might someday ‘wallpaper’ your bedroom with this loudspeaker
This thin, flexible and lightweight loudspeaker could reduce noise in loud spaces. It also might enable listeners to experience sound in new ways.
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Physics
When dominoes fall, how fast the row topples depends on friction
Two types of friction help determine how quickly a line of dominoes collapses, computer modeling shows.
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Chemistry
Simple process destroys toxic and widespread ‘forever’ pollutants
Ultraviolet light, sulfite and iodide break down these PFAS molecules faster and more thoroughly than other methods.
By Nikk Ogasa and Janet Raloff -
Animals
Butterfly ‘tails’ might be part of an escape tactic
Slender, tail-like extensions on their wings may help some butterflies survive attacks by hungry predators.
By Jake Buehler -
Space
Let’s learn about surviving a trip to Mars
Getting to and surviving on the Red Planet will take lots of innovation.
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Computing
Scientists Say: Supercomputer
These ultrafast computers perform complex calculations for research on cancer, quantum physics and more.
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Computing
A new supercomputer just set a world record for speed
Able to perform more than a quintillion calculations per second, it will allow scientists to study exploding stars, subatomic particles and more.
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Tech
Virtual critters evolve bodies that help them learn
A combination of evolution and learning may lead to more intelligent and agile robots.
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Health & Medicine
To test for COVID-19, a dog’s nose can match a nose swab
Dogs can sniff out COVID-19 cases as well as PCR tests can — and are better at ID’ing cases having no symptoms, a new study finds.