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Technology
Toxin-gobbling bacteria may live on poison dart frog skin
Poison? What poison? Some bacteria may treat the powerful toxins bathing poison dart frog skin like a buffet.
The alkaloid chemicals that poison dart frogs wield on their skin increase the variety of microbial species living…
Obesity needs a new definition beyond BMI, health experts argue
McKenzie Prillaman is a science and health journalist based in Washington, DC. She holds a bachelor’s degree in neuroscience from the University of Virginia and a master’s degree in science communication from the University of…
Hand-feeding squirrels accidentally changed their skulls
Soft diet, weak jaws. If red squirrels eat too many peanuts, their jaws end up weaker than the jaws of squirrels eating natural diets, researchers report January 15 in Royal Society Open Science. The results show that…
Got a cold? A placebo might help
The viruses of cold and flu season are upon us, and in us, where they’re causing misery upon misery. But don’t worry. You can hop online, and for a mere $24.95, buy yourself a bottle of Zeebo Relief pills, designed to ease your…
A Swedish artist’s model house could soon find a permanent home on the moon
STOCKHOLM — A Swedish artist is about to have the dream of a lifetime fulfilled: a little red model house he created will be launched into space this week and, if all goes according to plan, put on the surface of the moon. HT Image…
A podcast challenges us to reassess our relationship with wildfires
United by FireDenver Museum of Nature & ScienceAvailable wherever you get your podcasts
For hundreds of millions of years, wildfires were directed solely by the weather, vegetation and terrain. But in the last century in…
Pink flame retardants are being used to slow California fires. What do we know about them?
Aircraft battling fires raging through the Los Angeles area are dropping more than water: Hundreds of thousands of gallons of hot-pink fire suppressant ahead of the flames in a desperate effort to stop them before they destroy more…
How we might finally find black holes from the cosmic dawn
An undiscovered population of ancient black holes may be lurking throughout the universe. These bottomless cosmic pits would have a lot in common with more familiar black holes; in some cases, the two may be indistinguishable. But…
U.S. dementia cases may rise to 1 million per year by 2060
Baby Boomers may drive a drastic increase in dementia cases in coming decades, but there are steps people can take to reduce their risk.
U.S. dementia cases may rise to 1 million per year by 2060
Baby Boomers may drive a drastic increase in dementia cases in coming decades, but there are steps people can take to reduce their risk.
Flying cars could soon become a reality
The year is 2015. “Mad scientist” Doc Brown has just brought wide-eyed teenager Marty McFly to the future in style: aboard a flying DeLorean. Although the time travelers are out of place, their mode of transportation is not. Cars…
Readers react to Betelgeuse’s buddy, the 2024 Nobels and small nuclear reactor waste
It’s all relative
Betelgeuse may have a sun-sized companion starthat orbits it about once every 2,100 days, astronomy writer Lisa Grossman reported in “Betelgeuse’s invisible buddy.”
The story describes Betelgeuse as “the…
Enter a new era for our storied magazine
Editor in chief Nancy Shute introduces the new look and format of Science News, as it moves from publishing biweekly to monthly.
2024 was Earth’s hottest year on record, passing a dangerous warming threshold
It’s official: The year 2024 was indeed the hottest on record. It was also the first year in recorded history that Earth’s average temperature was higher than 1.5 degrees Celsius above preindustrial levels.
Scientists…
AI could transform health care, but will it live up to the hype?
Citations
S.A. Shah et al. Use of artificial intelligence–based detection of diabetic retinopathy in the US. JAMA Ophthalmology. Vol. 142, December 2024, p. 1171. doi:10.1001/jamaophthalmol.2024.4493.
R. Amin et al. Immune digital…
Weed resistant to key herbicide glyphosate found in UK for first time
A glyphosate-resistant weed has been found in the UK for the first time in what comes as another headache for British farmers. Glyphosate is the most effective herbicide for clearing vegetation before planting crops, but it is also used…
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.