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Scientists build tiny robots without motors that can fly using sound waves aloneA century-old trick for tuning musical instruments has been repurposed to power robots that fly, float and steer themselves using nothing but sound waves.
3 Commentsrobotics -
Cheap wall tiles 'inspired by flowing streams' could fix one of superfast 6G's biggest problemsSuperfast 6G has a major problem — signals struggle to pass through physical barriers. But scientists have invented a $2 wall tile that can fix that.
communications -
Have your say: Would you trust a humanoid robot with your household chores?Poll Humanoid robots are moving out of the lab and into people's homes, from $30-an-hour cleaners to $20,000 domestic helpers. Tell us in our poll if you'd let one loose with a mop.
3 CommentsPoll -
A joyful wedding nearly broke a woman's heart in a rare case of 'happy heart syndrome'Diagnostic dilemma A 65-year-old woman arrived at the ER with textbook signs of a heart attack — but the real trigger turned out to be joy, not a blocked artery.
Diagnostic dilemma -
Neanderthals may have trekked through the Saudi Arabian desert 55,000 years ago, farther south than experts thought possibleStone tools from a lakeside site in Saudi Arabia hint that Neanderthals were adapted to the arid Arabian interior, not just to cold places.
5 Commentsneanderthals -
Why do cats yowl?Life's Little Mysteries Understanding a cat's yowl requires looking beyond the noise to the behavior and emotions behind it.
3 CommentsLife's Little Mysteries -
Saving old trees may protect people's health more than planting new ones, study of Chicago neighborhoods findsA study tracking tree cover in Chicago over 11 years found that neighborhoods losing canopy saw death rates climb, especially in the city's hottest areas.
health -
New recyclable yarn is as stretchy as spandex and could help tackle fashion's plastic waste problemA new yarn combines the stretch of spandex with the recyclability of a single plastic, offering a potential path toward more sustainable clothing.
chemistry -
Scientists reveal most-detailed-ever view of the sun's surfaceFor the first time, scientists have directly observed a 150-year-old predicted phenomenon on the sun's surface that could explain why the sun's atmosphere is far hotter than its surface.
the-sun -
Physicists find a way to control heat in a way once thought impossibleResearchers designed a material that can independently control how it absorbs and emits heat, and it even retains those settings once the power is turned off.
2 Commentsphysics-mathematics -
Astronomers accidentally discover 2 supernovas that exploded from a single star systemAstronomers have identified a supernova remnant beside the well-known Jellyfish Nebula (IC 443), and evidence suggests both are the wreckage of two stars that once orbited each other before exploding separately.
space -
Scientists put cameras on whale sharks for the first time and saw something they'd never seen beforeAnimal-borne cameras have revealed that the world's largest fish spends far more time feeding below the surface than scientists realized.
3 Commentssharks -
After 100-year hunt, scientists get their best look yet at Betelgeuse's secret sidekickA century-old mystery about the night sky's famous "shoulder star" may finally be solved, as astronomers capture the sharpest image yet of a small star tucked close beside the dying Betelgeuse.
space -
Magnitude 6.8 earthquake traps shoppers as mall collapses in Japan — here's why the seismic event was unusualA strong inland earthquake in southwestern Japan trapped people inside a shopping center and damaged infrastructure. Here's what made this quake unusual and why aftershocks remain a concern.
earthquakes -
Killer whales sink another boat off the coast of Spain — why are they still doing this after 6 years?A small, endangered pod of orcas off Spain and Portugal has sunk at least eight boats since 2020, and despite speculation, the real explanation might have nothing to do with revenge.
3 Commentsorcas -
Mathematician Hong Wang becomes third woman to win the Fields Medal, one of the world’s most prestigious math prizesHong Wang, a mathematician at New York University, helped solve a decades-old geometry problem and is now the third woman to win math's most prestigious award.
mathematics -
NASA shares image of impossible-looking crystal growing on the space station. What is happening?Astronauts grew a scroll-like crystal aboard the ISS, and its strange shape reveals what happens to ordinary salts once gravity stops running the show.
chemistry -
'It's absolutely exciting!': Astronomers discover atmosphere around an Earth-like planet in the habitable zone for first timeAstronomers have detected helium escaping from the super-Earth LHS 1140 b, providing the strongest evidence yet that a rocky planet in another star's habitable zone has retained an atmosphere for billions of years.
3 Commentsexoplanets -
Oops! Ancient Bronze Age shaman long assumed to be a man was actually a woman, DNA revealsA DNA analysis of a 4,000-year-old skeleton buried with an elaborate metalworking tool kit near Stonehenge has revealed that the individual, long assumed to be a male shaman, was actually a woman.
2 Commentsarchaeology -
Malaria had nearly been eliminated around a giant dam in the Amazon — but then it came roaring back. Experts just discovered why.A 15-year study suggests that long-term malaria control may depend as much on protecting environments as it does on sustaining public health programs.
viruses-infections-disease -
New robotic heart mimics common, mysterious condition to help researchers study itA new robotic heart can recreate different stages of heart failure, potentially giving researchers a new way to test treatments before they reach patients.
heart-circulation -
6,000-year-old broken ribs discovered in Syria may be one of the oldest known cases of child abuse in the worldAround 6,000 years ago in Mesopotamia, an infant suffered severe injuries in what might be the Middle East's earliest documented case of child abuse.
middle-east -
Euclid telescope discovers the 2 most ancient monster black holes in the universe — each brighter than a trillion sunsA collection of newfound objects discovered by the Euclid telescope more than doubles the number of known quasars from the universe's first billion years.
black-holes -
Neanderthals and modern humans may have shared culture 59,000 years ago in Turkey, study findsFossils, stone tools and seashells in Turkey show that Neanderthals and the Homo sapiens who moved in later had the same hunting strategies and symbolic traditions even without overlapping at the site, suggesting they may have shared information.
3 Commentsneanderthals
