Science News
A hidden climate shift may have sparked epic Pacific voyages 1,000 years ago
Science Daily - 15 Dec 2025 23:53
Around 1,000 years ago, a major climate shift reshaped rainfall across the South Pacific, making western islands like Samoa and Tonga drier while eastern islands such as Tahiti became increasingly wet. New evidence from ...
Exercise Supercharges Hormone Transport to the Brain
Neuroscience News - 15 Dec 2025 22:05
Physical exercise triggers extracellular vesicles (EVs)-tiny particles in the blood-to act as temporary transport shuttles for key hormone precursors. During vigorous exercise, levels of the hormone precursor POMC attach...
30 models of the universe proved wrong by final data from groundbreaking cosmology telescope
Live Science - 15 Dec 2025 21:50
The Atacama Cosmology Telescope (ACT) in Chile has released its final batch of data after 15 years - and it proves that the Hubble tension, a rift in our understanding of the universe, is very real.
5,000-year-old dog skeleton and dagger buried together in Swedish bog hint at mysterious Stone Age ritual
Live Science - 15 Dec 2025 21:23
Five millennia ago, ancient fishers buried a dog alongside a dagger in a lake bed. Archaeologists are trying to figure out why.
Cancer Disrupts the Brains Internal Clock
Neuroscience News - 15 Dec 2025 20:42
Breast cancer can rapidly derail the brains day-night regulation of stress hormones, even before tumors are detectable. In mice, the disease flattens normal corticosterone rhythms by altering hypothalamic neuron activity...
Fingerprint of ancient seaborne raider found on Scandinavia's oldest plank boat
Live Science - 15 Dec 2025 20:30
An ancient fingerprint and several chemical clues from a 2,400-year-old sea raiders' boat are revealing secrets about where some mysterious attackers came from during the Iron Age.
Second-Hand Gifts Are Becoming the New Status Symbol
Neuroscience News - 15 Dec 2025 20:06
New research shows that buying second-hand gifts is typically a thoughtful, intentional decision rather than an impulsive one. Consumers are motivated by fair prices, the thrill of finding rare items, and the desire to s...
Tiny Gut Imposters Could Be Driving Multiple Sclerosis
Neuroscience News - 15 Dec 2025 18:31
New research reveals that when gut bacteria closely resemble the myelin sheath that protects nerve fibers, the immune system can become confused and attack both - accelerating multiple sclerosis. In mouse experiments, ba...
5 genetic 'signatures' underpin a range of psychiatric conditions
Live Science - 15 Dec 2025 18:10
A study suggests psychiatric disorders can share the same genetic signatures and that they may stem from shared biological mechanisms.
Integrative quantum chemistry method unlocks secrets of advanced materials
Phys.org - 15 Dec 2025 16:40
A new computational approach developed at the University of Chicago promises to shed light on some of the world's most puzzling materials-from high-temperature superconductors to solar cell semiconductors-by uniting ...
These incredible birdwatching binoculars are $125 off at Amazon - just in time for that last bit of Christmas shopping
Live Science - 15 Dec 2025 16:36
Celestron Regal ED 8x42 earned 5 stars from our experts, and they're now the cheapest we've ever seen them - they're ideal for birders.
Near-infrared light enables wireless power and data transfer for medical implants
Phys.org - 15 Dec 2025 16:07
A new study from a research team at the Center for Wireless Communications Network and Systems (CWC-NS) at the University of Oulu has introduced an approach using near-infrared (NIR) light beyond light therapy to facilit...
The world will soon be losing 3000 glaciers every year
New Scientist - 15 Dec 2025 16:00
Under current climate policies, 79 per cent of the worlds glaciers will disappear by 2100, endangering the water supply for 2 billion people and raising sea levels dramatically
Room-temperature electron behavior defies expectations, hinting at ultra-efficient electronics
Phys.org - 15 Dec 2025 15:22
Scientists have discovered a way to efficiently transfer electrical current through specific materials at room temperature, a finding that could revolutionize superconductivity and reshape energy preservation and generat...
Hugging Face Says AI Models With Reasoning Use 100x More Energy Than Those Without
Singularity Hub - 15 Dec 2025 15:00
Models that think through problems step by step before providing an answer use considerably more power than older models. The post Hugging Face Says AI Models With Reasoning Use 100x More Energy Than Those Without appear...
Dark matter search narrows as detector sets new limits and spots solar neutrinos
Phys.org - 15 Dec 2025 14:26
Australian researchers have played a central role in a landmark result from the LUX-ZEPLIN (LZ) experiment in South Dakota-the world's most sensitive dark matter detector. Today, scientists working on the experiment ...
Tiny particles 'surf' microcosmic waves to save energy in chaotic environments
Phys.org - 15 Dec 2025 14:26
Conditions can get rough in the micro- and nanoworld. For example, to ensure that nutrients can still be optimally transported within cells, the minuscule transporters involved need to respond to the fluctuating environm...
3D-printed helixes show promise as THz optical materials
Phys.org - 15 Dec 2025 14:10
Researchers at Lawrence Livermore National Laboratory (LLNL) have optimized and 3D-printed helix structures as optical materials for terahertz (THz) frequencies, a potential way to address a technology gap for next-gener...
Making lighter work of calculating fluid and heat flow
Phys.org - 15 Dec 2025 13:15
Scientists from Tokyo Metropolitan University have re-engineered the popular Lattice-Boltzmann Method (LBM) for simulating the flow of fluids and heat, making it lighter and more stable than the state-of-the-art.
Advanced optical model clarifies how complex materials interact with polarized light
Phys.org - 15 Dec 2025 13:12
Scientists at the University of Oxford demonstrate an approach to interpreting how materials interact with polarized light, which could help advance biomedical imaging and material design.
Today's biggest science news: 'Little Foot' potential unknown human ancestor | Geminids peak | Comet 3I/ATLAS closest approach
Live Science - 15 Dec 2025 12:46
Monday, Dec. 15, 2025: Your daily feed of the biggest discoveries and breakthroughs making headlines.
AI helps solve decades-old maze in frustrated magnet physics
Phys.org - 15 Dec 2025 12:37
By partnering with artificial intelligence (AI), a researcher at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has solved a long-standing physics problem and uncovered the mathematical trickery...