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Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.
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PhysicsYou 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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ChemistrySimple 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 -
PlanetsLet’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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AnimalsTo 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.
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Science & SocietySome scientists want serious research into UFOs. Here’s why
Science grapples with unknown phenomena all the time. Investigating “unidentified flying objects” shouldn't be different, researchers say.
By Liz Kruesi -
TechThis robotic finger is covered in living human skin
The advance brings super realistic cyborgs one small step closer to reality.
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EarthA new clock shows how gravity warps time — even over tiny distances
This clock measured how gravity changes the passage of time in different places — even spots just one millimeter apart.
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AgricultureHere’s why cricket farmers may want to go green — literally
Crickets are great sources of protein, but they often kill each other in captivity. Green light could help solve the problem, two teens find.
By Anna Gibbs -
HumansTeen-designed tech could expand access for people with disabilities
Several inventors at the 2022 Regeneron ISEF competition offered creative solutions that translate sign language and help blind people navigate.
By Anna Gibbs -
ChemistryReusable plastic bottles release hundreds of pollutants into water
Data show the plastic ends up tainting drinking water. For now, scientists don’t know what health risks downing these pollutants might pose.
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EnvironmentBubbles could help remove trash from rivers
One young engineer devised a way to make bubbles sweep away the trash floating down a creek, like the one in her backyard.
By Anna Gibbs -
MathScientists Say: Variable
A variable is something that can be changed — such as a value in math, or a factor in an experiment.