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THC levels in cannabis have soared in recent years, raising the risk of psychosis—especially in young, frequent users. Studies reveal a strong connection between cannabis-induced psychosis and schizophrenia, making early cessation and treatment essential.

Scientists have found protein fragments from the COVID-19 virus hidden inside tiny cellular packages in the blood of long COVID patients, offering the first potential measurable biomarker for the condition. The discovery suggests the virus may persist in body tissues long after infection, possibly explaining ongoing symptoms. While promising, the signals were subtle and inconsistent, leaving unanswered questions about whether these fragments come from lingering viral reservoirs or active replication.

A study finds that people are more open to plant-based eggs when they’re part of familiar foods, like pancakes, rather than served plain. While taste and appearance still favor regular eggs, vegan eggs score higher on environmental and ethical benefits. Familiarity is the key to getting people to try them.

A six-month randomized trial challenges the idea that eating more sweet foods increases a person’s preference for sweetness. Participants on diets with high, low, or mixed sweetness levels showed no changes in their sweet taste preferences, energy intake, body weight, or health markers. The study’s rigorous design suggests sweetness alone isn’t to blame for overeating, and even after the intervention, participants naturally returned to their baseline sweet intake.

Researchers have discovered that parts of the human brain age more slowly than previously thought—particularly in the region that processes touch. By using ultra-high-resolution brain scans, they found that while some layers of the cerebral cortex thin with age, others remain stable or even grow thicker, suggesting remarkable adaptability. This layered resilience could explain why certain skills endure into old age, while others fade, and even reveals built-in compensatory mechanisms that help preserve function.

Scientists have discovered a direct cause-and-effect link between faulty mitochondria and the memory loss seen in neurodegenerative diseases. By creating a novel tool to boost mitochondrial activity in mouse models, researchers restored memory performance, suggesting mitochondria could be a powerful new target for treatments. The findings not only shed light on the early drivers of brain cell degeneration but also open possibilities for slowing or even preventing diseases like Alzheimer’s.

AI is now a routine part of workplace communication, with most professionals using tools like ChatGPT and Gemini. A study of over 1,000 professionals shows that while AI makes managers’ messages more polished, heavy reliance can damage trust. Employees tend to accept low-level AI help, such as grammar fixes, but become skeptical when supervisors use AI extensively, especially for personal or motivational messages. This “perception gap” can lead employees to question a manager’s sincerity, integrity, and leadership ability.

Scientists have discovered a parasite that can sneak into your skin without you feeling a thing. The worm, Schistosoma mansoni, has evolved a way to switch off the body’s pain and itch signals, letting it invade undetected. By blocking certain nerve pathways, it avoids triggering the immune system’s alarms. This stealth tactic not only helps the worm survive, but could inspire new kinds of pain treatments and even preventative creams to protect people from infection.

Flinders University researchers found that forgiving yourself isn’t just about letting go. People stuck in guilt and shame often feel trapped in the past, and true healing comes from addressing deeper moral injuries and restoring a sense of control.

French fries may be more than just a guilty pleasure—they could raise your risk of type 2 diabetes by 20% if eaten three times a week, while the same amount of boiled, baked, or mashed potatoes doesn’t appear to have the same effect.

Hubble’s latest portrait of the Tarantula Nebula reveals a turbulent star-making region far beyond the Milky Way. Located 160,000 light-years away in the Large Magellanic Cloud, this cosmic expanse is home to some of the most massive stars ever discovered—up to 200 times the Sun’s mass. The image captures intricate dust clouds, intense stellar winds from rare Wolf–Rayet stars, and the extraordinary chaos that fuels the birth of new suns.

NASA’s Lunar Trailblazer, a mission designed to create high-resolution maps of water on the Moon, ended after losing contact with the spacecraft just one day after its February 26 launch. Despite extensive global efforts to reestablish communication, the small satellite’s misaligned solar arrays prevented its batteries from charging, leaving it powerless and drifting in a slow spin into deep space.

Scientists at SLAC unexpectedly created gold hydride, a compound of gold and hydrogen, while studying diamond formation under extreme pressure and heat. This discovery challenges gold’s reputation as a chemically unreactive metal and opens doors to studying dense hydrogen, which could help us understand planetary interiors and fusion processes. The results also suggest that extreme conditions can produce exotic, previously unknown compounds, offering exciting opportunities for future high-pressure chemistry research.

At the Large Hadron Collider, scientists from the University of Kansas achieved a fleeting form of modern-day alchemy — turning lead into gold for just a fraction of a second. Using ultra-peripheral collisions, where ions nearly miss but interact through powerful photon exchanges, they managed to knock protons out of nuclei, creating new, short-lived elements. This breakthrough not only grabbed global attention but could help design safer, more advanced particle accelerators of the future.

Physicists have heated gold to over 19,000 Kelvin, more than 14 times its melting point, without melting it, smashing the long-standing “entropy catastrophe” limit. Using an ultra-fast laser pulse at SLAC’s Linac Coherent Light Source, they kept the gold crystalline at extreme heat, opening new frontiers in high-energy-density physics, fusion research, and planetary science.

Scientists have found that microscopic gold clusters can act like the world’s most accurate quantum systems, while being far easier to scale up. With tunable spin properties and mass production potential, they could transform quantum computing and sensing.

Using the world’s most powerful X-ray laser, researchers have captured the hidden, never-ending vibrations of atoms inside molecules. This first-ever direct view of zero-point motion reveals that atoms move in precise, synchronized patterns, even in their lowest energy state.

ETH Zurich researchers levitated a nano glass sphere cluster with record-setting quantum purity at room temperature, avoiding costly cooling. Using optical tweezers, they isolated quantum zero-point motion, paving the way for future quantum sensors in navigation, medicine, and fundamental physics.

A visionary plan proposes sending a paperclip-sized spacecraft, powered by Earth-based lasers, to a nearby black hole within a century. Led by astrophysicist Cosimo Bambi, the mission would test the limits of general relativity and explore the mysteries of event horizons. While current technology can t yet achieve it, advancements in nanocraft design, laser propulsion, and black hole detection could make the journey possible within decades, potentially rewriting the laws of physics as we know them.

Astronomers have uncovered what may be the most massive black hole ever found, 36 billion times the mass of our Sun, hidden at the heart of the Cosmic Horseshoe galaxy. Located 5 billion light-years away, this ultramassive giant bends light into a perfect Einstein ring and whips nearby stars at incredible speeds.

Sunniva Kwapeng struggled with lipoedema, a painful condition causing disproportionate fat accumulation, until finally being diagnosed in her 40s. An NTNU study found that a low-carb diet helped alleviate pain and resulted in more weight loss than a low-fat diet. Though compression garments provided relief, the overall treatment options for this poorly understood condition remain scarce.

Scientists have uncovered a way to promote weight loss and improve blood sugar control without the unpleasant side effects of current GLP-1 drugs. By shifting focus from neurons to brain support cells that produce appetite-suppressing molecules, they developed a modified compound, TDN, that worked in animal tests without causing nausea or vomiting.

Many foods we consume today are ultraprocessed, packed with unhealthy ingredients, and linked to major health risks. As consumption of these foods rises, so do chronic health issues, especially among lower-income groups. Experts are calling for clearer guidelines, better research, and systemic changes to reduce the impact of ultraprocessed foods on public health.

Ozempic’s weight loss benefits might come at the cost of muscle strength, even if muscle size remains relatively stable. This raises significant concerns for older adults, who are already at risk for muscle loss and reduced mobility. Researchers stress the urgent need for human clinical trials to understand these effects fully.

Researchers at the Salk Institute have used CRISPR to uncover hidden microproteins that control fat cell growth and lipid storage, identifying one confirmed target, Adipocyte-smORF-1183. This breakthrough could lead to more effective obesity treatments, surpassing the limitations of current drugs like GLP-1.

A fossilized Caribbean dirt ant, Basiceros enana, preserved in Dominican amber, reveals the species ancient range and overturns assumptions about its size evolution. Advanced imaging shows it already had the camouflage adaptations of modern relatives, offering new insights into extinction and survival strategies.

Over 300 million years ago, Illinois teemed with life in tropical swamps and seas, now preserved at the famous Mazon Creek fossil site. Researchers from the University of Missouri and geologist Gordon Baird have reexamined a vast fossil collection, uncovering three distinct ancient environments—freshwater, transitional marine, and offshore—each with unique animal life. Their findings, enhanced by advanced imaging and data analysis, reveal how sea-level changes, sediment conditions, and microbial activity shaped fossil formation.

The newly described Mirasaura grauvogeli from the Middle Triassic had a striking feather-like crest, hinting that complex skin appendages arose far earlier than previously believed. Its bird-like skull, tree-climbing adaptations, and pigment structures linked to feathers deepen the mystery of reptile evolution.

Scientists used machine learning to reveal how glaciers erode the land at varying speeds, shaped by climate, geology, and heat. The findings help guide global planning from environmental management to nuclear waste storage.

Deep beneath the Antarctic seas lies a hidden network of 332 colossal submarine canyons, some plunging over 4,000 meters, revealed in unprecedented detail by new high-resolution mapping. These underwater valleys, shaped by glacial forces and powerful sediment flows, play a vital role in transporting nutrients, driving ocean currents, and influencing global climate. Striking differences between East and West Antarctica’s canyon systems offer clues to the continent’s ancient ice history, while also exposing vulnerabilities as warm waters carve away at protective ice shelves.

Physicists are exploring thorium-229’s unique properties to create a nuclear clock so precise it could detect the faintest hints of dark matter. Recent measurement advances may allow scientists to spot tiny shifts in the element’s resonance spectrum, potentially revealing the nature of this mysterious substance.

A new study suggests Alaska could get 10–120 seconds of warning before major quakes, with more seismic stations adding up to 15 extra seconds. Researchers emphasize challenges like harsh winters, remote sites, and alert transmission delays, but say the benefits could be lifesaving.

Stopping prescription weight loss drugs often leads to significant weight regain, according to a large-scale analysis of 11 global studies. Researchers found that although these medications, including GLP-1-based treatments like semaglutide and tirzepatide, help patients lose substantial weight while in use, gains tend to return within weeks of stopping.

High-fat diets and obesity reshape astrocytes—star-shaped brain cells in the striatum that help regulate pleasure from eating. French researchers discovered that tweaking these cells in mice not only impacts metabolism but can also restore cognitive abilities impaired by obesity, such as relearning tasks. This breakthrough highlights astrocytes as powerful players in brain function and energy control, opening fresh possibilities for targeted obesity treatments.

Cutting calories doesn’t just slim you down—it also reduces cysteine, an amino acid that flips fat cells from storage mode to fat-burning mode. Researchers found that lowering cysteine sparks the conversion of white fat into heat-producing brown fat, boosting metabolism and promoting weight loss in both humans and animal models.

Scientists have discovered how harmful clumps inside brain cells—linked to diseases like ALS and Huntington’s—form, and found a way to break them apart. These sticky tangles of RNA develop inside tiny liquid-like droplets in cells and can linger long after their surroundings vanish. By introducing a special protein, the team could stop the clumps from forming, and with a custom-designed piece of RNA, they could even dissolve them.

Neuroscientist Dr. Randy J. Nelson explores how artificial light at night disrupts our bodies, from immune health to mood. His work bridges lab research, clinical trials, and everyday solutions while mentoring future scientists.

Researchers at Scripps have created T7-ORACLE, a powerful new tool that speeds up evolution, allowing scientists to design and improve proteins thousands of times faster than nature. Using engineered bacteria and a modified viral replication system, this method can create new protein versions in days instead of months. In tests, it quickly produced enzymes that could survive extreme doses of antibiotics, showing how it could help develop better medicines, cancer treatments, and other breakthroughs far more quickly than ever before.

A new gel-based treatment could change the way diabetic wounds heal. By combining tiny healing messengers called vesicles with a special hydrogel, scientists have created a dressing that restores blood flow and helps wounds close much faster. In tests, the treatment healed diabetic wounds far quicker than normal, while also encouraging the growth of new blood vessels. Researchers believe this innovation could one day help millions of people with slow-healing wounds caused by diabetes and possibly other conditions.

Scientists discovered that jewel wasp larvae that undergo a developmental "pause" live longer and age more slowly at the molecular level by nearly 30%. This slowdown is tied to conserved biological pathways, hinting at possible applications for human aging.

Chinese scientists uncovered a powerful energy source for deep Earth microbes: hydrogen and oxidants generated by rock fracturing during earthquakes. The process may also suggest how life could exist on other planets without sunlight.

A surprising discovery emerged from a security camera video taken during Myanmar’s recent magnitude 7.7 earthquake. While the footage initially drew attention for showing the dramatic fault movement, scientists soon realized it revealed something never captured before: curved fault slip.

Hubble has helped uncover a white dwarf that’s likely the result of two stars crashing together. Carbon traces in its atmosphere tell a story of a cosmic merger, a rare phenomenon previously invisible in ordinary optical light.

Scientists have successfully synthesized methanetetrol, an incredibly unstable and previously elusive compound thought to be a key ingredient in the chemical evolution of life. Described as a "prebiotic concentrate" or even a "prebiotic bomb," this molecule could represent a crucial step in the cosmic recipe for life.

Astronomers have discovered a ghostly, million-light-year-long bridge of stars connecting two massive galaxies within the Abell 3667 cluster, 700 million light-years away. This glowing thread of intracluster light marks the first optical evidence of a cosmic tug-of-war: a rare, aggressive galactic merger where two entire galaxy clusters are colliding and combining.

Astronomers have stumbled upon an incredible cosmic chain reaction: a young star launched a high-speed jet that ignited an explosion, creating a massive bubble in space that is now slamming back into the very star system that birthed it. This startling feedback loop, caught for the first time using ALMA data, may reshape what we know about how stars and planets form, and the volatile environments they endure. Nature, it seems, still holds dramatic surprises.

Deep beneath the ocean's surface, a groundbreaking DNA study reveals that the deep sea is far more globally connected than once thought. By analyzing thousands of brittle stars preserved in museum collections, scientists discovered these ancient creatures have silently migrated across the planet's seafloor for millions of years, forming a vast evolutionary network from Iceland to Tasmania.

A prehistoric predator changed its diet and body size during a major warming event 56 million years ago, revealing how climate change can reshape animal behavior, food chains, and survival strategies.

Australian skinks have developed a remarkable genetic defense against venomous snake bites by mutating a key muscle receptor, making them resistant to neurotoxins. These tiny but powerful molecular changes mirror those found in cobra-resistant mammals like mongooses and honey badgers. This evolutionary arms race not only shows how adaptable life can be but also offers exciting possibilities for creating new antivenoms and therapies in human medicine.

Apple snails can fully regrow their eyes, and their genes and eye structures are strikingly similar to humans. Scientists mapped the regeneration process and used CRISPR to identify genes, including pax6, as essential to eye development, raising hopes for future human vision restoration.

An international team of scientists have provided an unprecedented tally of elemental sulfur spread between the stars using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft.

This is the first confirmed case of a star that survived an encounter with a supermassive black hole and came back for more. This discovery upends conventional wisdom about such tidal disruption events and suggests that these spectacular flares may be just the opening act in a longer, more complex story.

A long-forgotten fault in Canada's Yukon Territory has just revealed its dangerous potential. Scientists using cutting-edge satellite and drone data discovered that the Tintina fault, previously considered dormant, has produced multiple major earthquakes in the recent geological past and could do so again. These hidden fault lines, now identified near Dawson City, may be capable of triggering devastating quakes over magnitude 7.5, posing a serious threat to communities, infrastructure, and the unstable landslides in the region.

Your gut may be talking to your brain in ways we never imagined. Scientists have discovered a “neurobiotic sense” — a rapid-response system where colon cells detect microbial proteins and instantly send appetite-suppressing messages to the brain. This breakthrough reveals how our gut microbes might shape not just digestion, but behavior, mood, and even mental health.

Fresh grapes contain a potent mix of over 1,600 compounds that benefit heart, brain, skin, and gut health. New evidence suggests they deserve official superfood recognition, with benefits even at the genetic level.

Pancreatic cancer cells are known for being hard to treat, partly because they change the environment around them to block drugs and immune cells. Scientists discovered that these tumors use a scavenging process—called macropinocytosis—to pull nutrients from nearby tissue and keep growing. By blocking this process in mice, researchers were able to change the tumor’s environment, making it softer, less dense, and easier for immune cells and therapies to reach.

McGill's MedSafer tool helps doctors identify and eliminate risky or unneeded medications in seniors, significantly improving patient outcomes. It aims to prevent harmful "prescribing cascades" and could redefine standard care.

People eating minimally processed foods lost twice as much weight as those on ultra-processed diets, even though both diets were nutritionally balanced and participants could eat freely. This real-world, long-term study revealed that food processing itself—not just nutrients—plays a significant role in shaping body weight and health outcomes.

Tyrannosaurus rex might be the most famous meat-eater of all time, but it turns out it wasn’t the only way to be a terrifying giant. New research shows that while T. rex evolved a skull designed for bone-crushing bites like a modern crocodile, other massive carnivorous dinosaurs like spinosaurs and allosaurs took a very different route — specializing in slashing and tearing flesh instead.

A group of Chinese scientists has created powerful new tools that allow them to edit large chunks of DNA with incredible accuracy—and without leaving any trace. Using a mix of advanced protein design, AI, and clever genetic tweaks, they’ve overcome major limitations in older gene editing methods. These tools can flip, remove, or insert massive pieces of genetic code in both plants and animals. To prove it works, they engineered rice that’s resistant to herbicides by flipping a huge section of its DNA—something that was nearly impossible before.