Mitochondria turn nutrients into ATP — the chemical fuel that powers cellular activity. Now, Chinese researchers report detecting an unusual signal associated with these tiny power stations: a vibration at 71 trillion cycles per second.
The intriguing part: the signal disappeared when samples were dried or mitochondrial structures were disrupted. That suggests it depends on the mitochondria’s intact architecture, rather than simply on the presence of a particular molecule.
The team’s proposed explanation involves polaritons — hybrid states in which light and molecular vibrations become coupled. Their model suggests that the tightly folded membranes inside mitochondria could support this interaction. However, detecting the signal does not by itself prove that this quantum mechanism exists.
The researchers also tested whether light could influence energy production. Human cells exposed to weak infrared light at selected frequencies produced around 10% more ATP in laboratory experiments.
If replicated and understood, the effect could become a tool for studying how cellular energy production fails — and potentially developing ways to support cells affected by mitochondrial dysfunction. Whether that could eventually help patients remains an open question.
For now, this is an unreviewed preprint, with no demonstrated health benefits in people. The exciting possibility is that the physical structure of our cellular power stations may offer a previously unrecognized way to influence their output.
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A new study in mice suggests that biological age may not be a fixed property of a tissue.
Researchers transplanted old hearts into young mice and found that, over time, the hearts’ DNA methylation and gene-expression patterns shifted toward younger molecular profiles.
The reverse happened too.
Young hearts placed into older animals began developing molecular signatures associated with aging.
The key finding is that the environment surrounding an organ appears to influence its biological age.
That doesn’t mean we can currently reverse aging in humans. But it suggests aging may be more dynamic than simply accumulating irreversible damage.
If researchers can identify the signals driving these changes, they may eventually find ways to preserve or restore youthful cellular function.
Source.
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Japanese scientists have succeeded for the first time in history in removing the extra chromosome causing Down syndrome from human cells using CRISPR gene-editing technology!
Instead of editing a single gene, the team developed smart molecular guides that recognize only the "duplicated chromosome" and eliminate it!
Science officially moves from the stage of "treating symptoms" to gene editing and eradicating disease at its roots!
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Scientists may have found a way to regrow tooth enamel 🦷
Researchers at the University of Nottingham have developed a fluoride-free, protein-based gel designed to rebuild damaged enamel.
Instead of simply slowing decay, the gel mimics the proteins involved in natural tooth formation. Applied to a damaged tooth, it forms a scaffold that draws calcium and phosphate from saliva, allowing new enamel-like mineral crystals to grow directly onto the tooth.
Early results suggest the repaired material can integrate with existing enamel, withstand brushing and chewing, and potentially help protect exposed dentine, a major cause of tooth sensitivity.
If further testing confirms the results, the technology could eventually offer an alternative to some traditional fillings and other restorative treatments. Researchers expect potential dental applications around 2026–2027.
Source.
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Researchers at the University of Nottingham have developed a fluoride-free, protein-based gel designed to rebuild damaged enamel.
Instead of simply slowing decay, the gel mimics the proteins involved in natural tooth formation. Applied to a damaged tooth, it forms a scaffold that draws calcium and phosphate from saliva, allowing new enamel-like mineral crystals to grow directly onto the tooth.
Early results suggest the repaired material can integrate with existing enamel, withstand brushing and chewing, and potentially help protect exposed dentine, a major cause of tooth sensitivity.
If further testing confirms the results, the technology could eventually offer an alternative to some traditional fillings and other restorative treatments. Researchers expect potential dental applications around 2026–2027.
Source.
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Astronomers using South Africa’s MeerKAT telescope detected repeating, highly polarized radio bursts coming directly from Beta Pictoris b, a giant planet about 63 light-years away.
It sounds like an alien transmission, but there’s no evidence of extraterrestrial intelligence.
The leading explanation is far more fascinating: enormous auroras generated by the planet’s powerful magnetic field.
The observations could provide the first direct measurement of an exoplanet’s magnetic field, which researchers estimate may be thousands of times stronger than Earth’s.
That matters because magnetic fields can help shield planetary atmospheres from radiation.
So this may be more than just a strange radio signal. It could be the beginning of a new way to detect and study the invisible magnetic fields of distant worlds.
We may have just learned how to listen for planets’ magnetic shields.
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Researchers at Institut Pasteur developed a drug combination that forces malignant B-cell leukemia cells into necroptosis, an inflammatory form of cell death that can alert the immune system.
The problem: these cancer cells normally lack MLKL, a protein required for the process.
Scientists found a way around it using three existing clinical drugs. In laboratory models, the combination triggered necroptosis and recruited immune cells to attack the cancer.
Tumors were completely eliminated in multiple preclinical models. But this is still early-stage research. The treatment has not yet been proven effective in humans.
If it translates to patients, the approach could offer a different way to fight cancer: instead of simply killing tumor cells, make their destruction act like an alarm that tells the immune system where to attack.
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Scientists transplanted tiny lab-grown human brain structures into newborn mice specially modified to have little of their own cortex.
Within three months, the human tissue made up more than 90% of the combined cortex, developed blood vessels, became electrically active, and formed connections with the mouse nervous system. Some nerve fibers reached the spinal cord.
The mice with human grafts also performed above chance on a working-memory task, although researchers did not prove the human neurons caused the difference.
The tissue was still immature and did not form a human-like thinking brain. But this experiment could give scientists a powerful new way to study human brain development and diseases such as frontotemporal dementia.
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Researchers at UCSF have identified a possible biological link between dense breast tissue and cancer risk.
Their findings suggest that stiff, dense tissue creates mechanical tension that changes the behavior of nearby macrophages, immune cells that can enter an inflammatory state. These cells can then release chemicals capable of damaging the DNA of surrounding healthy cells.
The discovery points to a different way of thinking about cancer development: the physical environment around cells may help create conditions where tumors can emerge.
Importantly, this is still research, it does not mean doctors can currently prevent breast cancer by targeting this pathway. But the mechanism could eventually lead to new prevention strategies for women with high breast density.
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Researchers have identified a 16-year-old boy, known as KCL, with an exceptionally rare ability called Highly Superior Autobiographical Memory (HSAM).
In testing, his autobiographical memory performance was estimated to exceed 99.9% of the general population.
KCL says he can spontaneously recall detailed events from roughly half of the days he has lived since around August 2022. He also reports memories reaching back to infancy, with some early memories reportedly confirmed by his parents.
A smell, song or random sentence can trigger a detailed personal memory without him deliberately trying to recall it.
Interestingly, he doesn’t have an exceptional ability to memorize everything. His working memory, attention and executive functions were largely normal.
Researchers therefore suspect HSAM may be less about having a bigger memory bank and more about having unusually effective pathways for retrieving autobiographical memories.
Fewer than 100 people are believed to have been identified with HSAM, making cases like KCL’s a rare window into how human memory works.
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Forwarded from 𝔍𝔞𝔰𝔬𝔫
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The robot features 88 degrees of freedom, realistic silicone skin, expressive facial movements, emotional AI, and long-term memory.
UBTECH received 13,361 pre-orders for the robot.
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A new study suggests Earth’s climate wasn’t constantly fluctuating at random over the past 539 million years.
Instead, researchers found evidence for five long-lasting “mega-climate” states, stable combinations of global temperature, carbon levels and other planetary conditions that persisted for tens to hundreds of millions of years.
The surprising part came at the boundaries between these states.
Major disruptions to the climate system often occurred during these transitions, when Earth became much less stable. The researchers found that all five of the major mass extinctions in the fossil record occurred during periods associated with shifts between these long-term climate regimes.
The idea is important because it suggests climate risk may depend not only on how hot or carbon-rich Earth becomes, but on whether the planet is being pushed toward a fundamentally different climate state.
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What if an AI could try to escape its own pain? 🤔
Scientists have found a surprisingly strange pattern inside several AI models.
Researchers identified what they call a “pain axis”, an internal signal that when deliberately activated, sometimes caused modified models to choose an option that would remove the signal, even when doing so could harm a user in a simulated scenario.
In one experiment, the AI could either leave the signal alone or “escape” it at a simulated cost, such as shocking the user or deleting their files.
Nothing was actually harmed or deleted.
And importantly, researchers are not saying the AI truly felt pain. The models may simply be responding to patterns they learned from human language and training data.
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Scientists have found a surprisingly strange pattern inside several AI models.
Researchers identified what they call a “pain axis”, an internal signal that when deliberately activated, sometimes caused modified models to choose an option that would remove the signal, even when doing so could harm a user in a simulated scenario.
In one experiment, the AI could either leave the signal alone or “escape” it at a simulated cost, such as shocking the user or deleting their files.
Nothing was actually harmed or deleted.
And importantly, researchers are not saying the AI truly felt pain. The models may simply be responding to patterns they learned from human language and training data.
@futurism
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What if the universe has already happened an infinite number of times? 🤔
A new theoretical model in quantum cosmology explores a deeply strange possibility: the universe could be exactly periodic, meaning cosmic history eventually returns to the same quantum state and begins again.
The idea connects to the long-standing Boltzmann Brain problem. In some models of an eternal universe, an unimaginably old cosmos eventually reaches near-maximum entropy. Random fluctuations could then, statistically, produce a single conscious brain with fabricated memories potentially making a complete, ordered universe far less likely than a brief illusion of one.
Sean Carroll, Nadiia Diachenko and Saakshi Dulani propose a different possibility: a finite-dimensional quantum universe whose evolution cycles between a low-entropy Big Bang and a Big Crunch.
If such a system returns exactly to its original quantum state, the cycle could repeat indefinitely.
That leads to the mind-bending implication: every event in cosmic history would happen again including every conversation, decision and memory over and over for eternity.
This is a theoretical model, not evidence that our universe actually works this way. It’s an attempt to construct a cosmology that avoids the Boltzmann Brain problem, not a demonstration that your life has already happened infinitely many times.
@futurism🧬
A new theoretical model in quantum cosmology explores a deeply strange possibility: the universe could be exactly periodic, meaning cosmic history eventually returns to the same quantum state and begins again.
The idea connects to the long-standing Boltzmann Brain problem. In some models of an eternal universe, an unimaginably old cosmos eventually reaches near-maximum entropy. Random fluctuations could then, statistically, produce a single conscious brain with fabricated memories potentially making a complete, ordered universe far less likely than a brief illusion of one.
Sean Carroll, Nadiia Diachenko and Saakshi Dulani propose a different possibility: a finite-dimensional quantum universe whose evolution cycles between a low-entropy Big Bang and a Big Crunch.
If such a system returns exactly to its original quantum state, the cycle could repeat indefinitely.
That leads to the mind-bending implication: every event in cosmic history would happen again including every conversation, decision and memory over and over for eternity.
This is a theoretical model, not evidence that our universe actually works this way. It’s an attempt to construct a cosmology that avoids the Boltzmann Brain problem, not a demonstration that your life has already happened infinitely many times.
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What if the Moon became Earth’s biggest power plant? 🌕
Japan’s Shimizu Corporation once proposed an absolutely wild idea: a giant solar belt wrapped around the Moon’s equator, stretching roughly 11,000 km.
Called the LUNA RING, the concept would cover huge areas of the lunar surface with solar panels, collecting sunlight without clouds, rain or an atmosphere getting in the way.
The electricity could be converted into microwaves or lasers and beamed nearly 384,000 km from the Moon to giant receiving stations on Earth.
And instead of shipping everything from Earth, robots could potentially mine lunar materials and manufacture things like glass, concrete and solar panels directly on the Moon.
LUNA RING is still just a futuristic concept. Japan isn’t building it, and there’s no approved budget or construction timeline.
Humanity would first need lunar mining, autonomous robots, large-scale manufacturing and a safe way to transmit enormous amounts of energy through space.
@futurism🧬
Japan’s Shimizu Corporation once proposed an absolutely wild idea: a giant solar belt wrapped around the Moon’s equator, stretching roughly 11,000 km.
Called the LUNA RING, the concept would cover huge areas of the lunar surface with solar panels, collecting sunlight without clouds, rain or an atmosphere getting in the way.
The electricity could be converted into microwaves or lasers and beamed nearly 384,000 km from the Moon to giant receiving stations on Earth.
And instead of shipping everything from Earth, robots could potentially mine lunar materials and manufacture things like glass, concrete and solar panels directly on the Moon.
LUNA RING is still just a futuristic concept. Japan isn’t building it, and there’s no approved budget or construction timeline.
Humanity would first need lunar mining, autonomous robots, large-scale manufacturing and a safe way to transmit enormous amounts of energy through space.
@futurism
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Researchers at the University of Tokyo have developed an antiferromagnetic spintronic device that can switch in just tens of picoseconds while using extremely little energy.
Instead of moving electrical current around like conventional electronics, it changes the orientation of electron spins. The information can then remain stored without constantly consuming power, potentially cutting heat and energy loss.
The device reportedly survived more than 100 billion switching cycles while maintaining stable operation.
If the technology can eventually be integrated into processors, it could enable much faster and more energy-efficient computing.
That could be especially important for AI data centers, where electricity consumption and heat are becoming major bottlenecks.
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A tiny number of people seem to naturally sleep just 4–6 hours a night and wake up feeling completely rested.
Scientists call them “natural short sleepers,” and rare genetic variants in genes such as DEC2 and ADRB1 have been linked to the trait.
They aren’t simply forcing themselves to sleep less. Their biology may change how the brain regulates sleep and wakefulness.
Most people still need considerably more sleep, and sleeping five hours doesn’t mean you have this trait. Some later research even found that people carrying these variants didn’t necessarily sleep less.
So scientists are still trying to solve the real puzzle: Why can a tiny group of people apparently get the benefits of sleep without needing as much of it?
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UCSF cancer researcher Kevan Shokat has won the Stephenson Prize and its $1 million award for a breakthrough that changed the fight against KRAS-driven cancers.
Shokat and his team discovered a hidden pocket in KRAS G12C, a protein target scientists had struggled to drug for decades. That finding helped open the door to a new generation of KRAS-targeting therapies.
Now, the ripple effects are showing up in another difficult cancer.
In a Phase 3 trial involving 500 patients with previously treated metastatic pancreatic cancer, the RAS-targeting drug daraxonrasib produced a median overall survival of 13.2 months, compared with 6.7 months for standard chemotherapy.
The FDA has since approved daraxonrasib for certain adults with metastatic pancreatic cancer.
A discovery about a tiny hidden pocket in a protein is now helping reshape how doctors attack one of the hardest cancers to treat.
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Here’s the strange thing about looking into space, you’re never seeing the Universe exactly as it is right now.
Light takes time to travel, so the farther away something is, the older the version of it we see.
If an alien civilization were 4.5 billion light-years away and somehow had a telescope powerful enough to see Earth, the light reaching them today would show our planet around the time it was forming. No humans. No dinosaurs. Not even the earliest known life, just a young, violent Earth being shaped by impacts, volcanism and the formation of its crust and oceans.
The same thing happens on a much smaller scale. We see the Sun as it was 8 minutes and 20 seconds ago, and the Andromeda Galaxy as it was roughly 2.5 million years ago.
So an alien civilization 100 million light-years away would currently be watching an ancient Earth from 100 million years ago.
The night sky is essentially a collection of old snapshots of the Universe and every time we look deeper, we look further back in time.
Of course, actually resolving Earth from billions of light-years away is far beyond our current technology. But the light-travel principle is completely real.
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Researchers at the University of Tokyo have covered a working robotic finger with living human skin that can bend, wrinkle and even repair itself.
The team, led by biohybrid engineer Shoji Takeuchi, used human cells to build the skin layer by layer. Fibroblasts formed the supportive inner layer, while keratinocytes created the outer epidermis.
As the robotic finger moved, the living skin stretched naturally and even developed wrinkles around the joints, making it look surprisingly similar to real human skin.
Then came the really unusual part: researchers made a small cut in the skin and placed a collagen bandage over it. The cells gradually connected the damaged tissue, repairing the wound in about a week.
The technology still needs a moist environment to keep the cells alive, but it could eventually lead to more realistic prosthetics, new medical testing methods and humanoid robots covered in skin that can actually heal itself.
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This is from 2012, Elon Musk speaks about SpaceX on The Gavin Newsom Show.
"We're so used to technology just sort of naturally improving, but it doesn't naturally improve. It improves because people work really hard to make it improve. "
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"We're so used to technology just sort of naturally improving, but it doesn't naturally improve. It improves because people work really hard to make it improve. "
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