Technology

Dogs that easily learn the names of toys might also mentally sort them by function, a new example of complex cognitive activity in the canine brain.

A handheld device can apply synthetic bone grafts directly at the site of a defect or injury without the need for prior imaging or fabrication. Researchers demonstrated the technology by modifying a hot glue gun to 3-D print…

Citations J. Zhao et al. Global trends in incidence, death, burden and risk factors of early-onset cancer from 1990 to 2019. BMJ Oncology. Vol. 2, September 5, 2023. doi:10.1136/bmjonc-2023-000049 H. Sung et al. Differences in cancer…

Amid the petty drama of internet arguments, one never fails to entertain me: Do millennials actually look younger than their age? Sunscreen, vaping, hair parting choices and Botox for people who don’t have wrinkles are used as…

Saving reproductive tissue from kids treated for cancer before adolescence could give them a chance at having biological children later in life.

A new drug may help people with high blood pressure that does not respond to existing medications. The results of a large clinical trial, published August 30 in the New England Journal of Medicine, suggest that baxdrostat could…

Traveling across state lines in search of an available shot. Scrambling to get a doctor’s prescription. Showing up for a pharmacy vaccination appointment only to be denied. Those are some of the stories people have been describing…

Anne-Laure Le Cunff was something of a wild child. As a teenager, she repeatedly disabled the school fire alarm to sneak smoke breaks and helped launch a magazine filled with her teachers’ fictional love lives. Later, as a young…

Tales of Militant ChemistryAlice LovejoyUniv. of California Press, $27.95 Despite the digitalization of pictures and movies, some cinephiles and moviemakers still favor film. For instance, Christopher Nolan’s 2023…

Southeast Asians created the oldest known human mummies roughly 7,000 years before Egyptian mummies debuted, researchers say. From around 12,000 to 4,000 years ago, hunter-gatherers across southern China, Southeast Asia and…

Salt, ice and some oomph — these three simple ingredients are all that’s needed to make waste-free electricity, researchers report September 15 in Nature Materials. Straining a single cone-shaped piece of ice that’s slightly…

Astronomy is the oldest science, and the sky is among our first laboratories. Long before the written word, people erected stone circles to frame the first dawn rays of the summer solstice, etched lunar calendars in bone and wove…

Meghan Rosen is a senior writer who reports on the life sciences for Science News. She earned a Ph.D. in biochemistry and molecular biology with an emphasis in biotechnology from the University of California, Davis, and later…

Researchers could use quantum effects to develop new types of medical imaging inside cells themselves.

In the 1960s, saltwater intrusion in a southeast Louisiana swamp killed the trees and plants that lived there. Now restored with freshwater, the swamp has become the perfect place for revegetation projects — particularly because…

All eight arms of an octopus can be used for whatever their cephalopod owner wishes, but some arms are favored for certain tasks.  A new, detailed analysis of how octopuses wield their famously flexible appendages suggests that…

Asteroid impacts, microbes, mining: These are a few tactics engineers might one day use to create an Earthlike atmosphere on Mars.

Crystals hidden inside dinosaur eggs at a famous fossil site are giving scientists a chance to do something that’s long proven elusive: figure out how old the ancient nests really are. Finding these fossilized eggs’ true shelf…

Gravitational waves emitted after two black holes coalesced agree with theories from physicists Stephen Hawking and Roy Kerr.

The brain holds space for a missing limb, even years after it’s gone. For three women who underwent planned hand amputations, brain scans revealed remarkably durable maps of hand areas, lasting for five years in one case. The…

NEW DELHI: A new study has established a connection between the formation of Antarctica around 34 million years ago and the early evolution of the Indian monsoon system that allowed lush forests to flourish across the subcontinent, Ministry…

When Canada legalized cannabis in 2018, its effects on human health were all over the news. Cyntia Duval, a women’s health researcher at the University of Toronto at the time, wondered how its consumption might affect female…

NASA’s InSight lander listened to Marsquakes for four years. The tremors revealed that Mars may have a solid inner core.

Shocking Comet  3I/ATLAS: A rare interstellar visitor is racing through our solar system, and it’s unlike anything scientists have ever seen before. Comet 3I/ATLAS, only the third known object to arrive from beyond our solar system, has…

It’s a late-night debate in college dorms across the world: Is my red the same as your red? Two neuroscientists weigh in on this classic “Intro to Philosophy” puzzler in research published September 8 in the Journal of…

The subatomic particles called neutrinos are famously elusive. But an unconventional trick could make a laser beam of the aloof particles.

GLP-1 medications like Ozempic, Wegovy and Mounjaro might lower people’s risk of developing certain cancers, especially ones linked to obesity.

Citations E.K. Francispillai, S.M. Dietsch and L.J. Chapman. Effects of temperature on fish aggression and the combined impact of temperature and turbidity on thermal tolerance. Journal of Thermal Biology. Vol. 125, October 2024,…

The fast radio burst came from 130 million light-years away. That proximity allowed an in-depth search for what produced the mysterious signal.

The broken wings of two young pterosaurs may reveal how hundreds of their kind met their end about 150 million years ago. New analyses of the well-preserved, complete Pterodactylus fossils — dubbed “Lucky I” and “Lucky II” —…