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Browsing Category
Technology
How child soldiers heal after the trauma of war
Shadows into LightTheresa S. BetancourtHarvard Univ., $35
For more than two decades, Theresa S. Betancourt has followed the lives of children (now adults) who returned home after being forced to fight in the civil war that…
How people suppress memories may be key to PTSD recovery
Recovery from PTSD comes with key changes in the brain’s memory system, a new study finds. These differences were found in the brains of 19 people who developed post-traumatic stress disorder after the 2015 terrorist attacks in…
Humans, not climate change, may have wiped out Australia’s giant kangaroos
The demise of most of Australia’s kangaroo species by 40,000 years ago may have had less to do with climate-caused dietary pressures and more to do with human hunters.
Dental analyses of ancient kangaroos reveal they weren’t…
California wildfire season should be over. So why is L.A. burning?
Unusually dry conditions and hurricane-force seasonal winds are fueling multiple fast-moving and destructive wildfires in Los Angeles County. Gusts that reached over 145 kilometers per hour (90 miles per hour) quickly drove the…
More new geckos have been found hiding in Southeast Asia’s limestone towers
Landscapes in Southeast Asia once thought to stifle biological evolution may instead stoke its fires.
Karst ecosystems have been referred to as arks of biodiversity, a term that highlights their biological richness but also…
Cosmic rays could help reveal how tornadoes form
Supercell thunderstorms are known for their devastatingly gnarly tornadoes, but exactly how the twisters form is poorly understood. A new study suggests that scientists could glean hints with a little help from the cosmos.…
Poop is on the menu for a surprising number of animals
Feces don’t get enough credit as food.
The stinky stuff is not just an end product after food gets eaten, digested and finally discarded by animal guts. Poop can also be something nutritious, useful and actually eaten (again)…
Is alcohol linked to cancer? Here’s what the science says
The link between drinking alcohol and developing cancer, described in a new report by the U.S. Surgeon General, may come as a surprise to many Americans.
Although evidence for this link has been growing for some time, fewer…
Is alcohol linked to cancer? Here’s what the science says
The link between drinking alcohol and developing cancer, described in a new report by the U.S. Surgeon General, may come as a surprise to many Americans.
Although evidence for this link has been growing for some time, fewer…
What to know about the first bird flu–related death in the U.S.
H5N1 has infected 66 people in the United States since early 2024, mostly causing mild illness. A Louisiana man was the first to get severely sick.
NASA astronaut Donald Pettit captures video of stunning auroras from International Space Station|…
Jan 07, 2025 09:38 PM IST Auroras are beautiful lights seen near the North and South Poles. If you are near the North Pole, the lights are called aurora borealis or Northern Lights. NASA astronaut Donald Petit has shared a…
‘Forever chemicals’ are causing health problems in some wildlife
“Forever chemicals” are pervasive, and researchers have in recent years been ringing the alarms about the negative impacts on human health. But humans aren’t the only animals to be concerned about.
Freshwater turtles in…
Tibet Earthquake: How Lhasa Block’s Tectonic Churn Triggered 7.1 Magnitude Tremors | World…
On January 7, 2025, a powerful earthquake struck Tibet near Mount Everest, registering a magnitude of 7.1 according to the U.S. Geological Survey (USGS) and 6.8 by Chinese authorities. The tremor, with its epicenter in Tingri County, about…
AI boosts breast cancer detection in nationwide screening study in Germany
AI is as good as clinicians at interpreting mammograms, a real-world study with nearly 500,000 participants in Germany suggests.
Pluto may have captured its moon Charon with a kiss
Pluto and Charon’s meet-cute may have started with a kiss. New computer simulations of the dwarf planet and its largest moon suggest that the pair got together in a “kiss-and-capture” collision, where the two bodies briefly joined…
Velvet ants have the Swiss Army knife of venoms
Few creatures can tangle with a velvet ant and walk away unscathed. These ground-dwelling insects are not ants, but parasitic wasps known for their excruciating stings.
Now researchers have discovered that the wasps don’t dole…
The unique neural wiring of the human hippocampus may maximize memory
Living tissue from the memory centers of people’s brains reveals sparse nerve cell connections that provide strong, reliable signaling between cells.
A major new neutrino experiment is nearing completion
Physicists are putting the finishing touches on the Jiangmen Underground Neutrino Observatory, or JUNO, which will delve into the secretive ways of neutrinos, a family of extremely lightweight subatomic particles with no…
Covid-like virus in China: What is HMPV and what are its symptoms? | World News
Videos circulating on social media purportedly showed that hospitals in China are overwhelmed by a surge in respiratory illnesses, including human metapneumovirus (HMPV). Social media posts claim that outbreaks of multiple viruses—HMPV,…
NASA’s Parker Solar Probe survived its closest approach to the sun
NASA’s Parker Solar Probe skimmed the sun on Christmas Eve and lived to tell the tale.
The heat-hardened spacecraft made its closest solar flyby yet at 6:53 a.m. EST on December 24. It came within 6.1 million kilometers of…
5 things we know and still don’t know about COVID, 5 years after it appeared
Five years ago, a cluster of people in Wuhan, China, fell sick with a virus never before seen in the world. HT Image The germ didn't have a name, nor did the illness it would cause. It wound up setting off a pandemic that exposed…
Twisting Words Crossword
Sid Sivakumar, a puzzle constructor and M.D./Ph.D. student in biomedical engineering and neuroscience, edited this puzzle.
Looking for answers? Go to sciencenews.org/puzzle-answers. We’ll publish science-themed crosswords…
IIT Bombay researchers identify bacteria that can consume toxic pollutants in soil, boost crop yield
Mumbai, The Indian Institute of Technology Bombay on Thursday said its researchers have identified bacteria that can consume toxic pollutants in the soil and produce helpful nutrients as a by-product. The premier institute said in a…
Size of pupils during sleep could be key to how brain forms strong memories, mice study suggests
New Delhi, Pupil size during sleep whether contracted or dilated could be key to understanding how the brain forms long-lasting memories, according to a study in mice, findings from which could help refine interventions for improving…
American burying beetles are making a comeback in Nebraska
One of the world’s best insect undertakers is making a comeback.
Populations of the American burying beetle, North America’s largest carrion beetle, have been decimated due mainly to habitat loss and dwindling wildlife species.…
SpaDeX precursor to India’s own space station: Jitendra Singh
New Delhi, India will look forward to a heavenly handshake between its two satellites in the new year even as it sets its eyes on launching the most expensive earth observation spacecraft in alliance with NASA. HT Image ISRO's…
2024 a breakthrough year for science: A look at some intriguing discoveries | World News
As 2024 draws to a close, let's reflect on some of the most remarkable inventions and discoveries in science and technology. From groundbreaking medical breakthroughs and significant space exploration milestones to advances in ancient…
2024 set targets of building space station, starting fast breeder reactor, boosting research
New Delhi, India's hopes in the field of science took new wings this year with the government unveiling a space vision that seeks to establish a space station by 2035 and land an Indian on the moon by 2047 even as efforts to crack the…
ISRO Prepares To Launch NVS-02 Satellite In January 2025: ISRO Chief | Science & Environment…
After the Indian Space Research Organisation (ISRO) successfully launched the PSLV-C60 carrying the SpaDeX spacecraft on Monday, marking its final mission of 2024, the organization is now preparing for the launch of the NVS-02 satellite in…
GSLV mission planned in January would be 100th launch from Sriharikota: ISRO chief
Sriharikota , ISRO is gearing up to achieve a significant milestone with a Geosynchronous Launch Vehicle mission scheduled in January set to become the 100th launch from the Sriharikota spaceport, a top official said. HT Image The…