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Groundbreaking study solves the mystery of how our brain learns

Apr 20, 2025

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Learning is something everyone does daily—mastering new skills at work, remembering song lyrics, or following directions to new places. But behind these everyday tasks lies a complex biological process known as synaptic plasticity, a phenomenon essential for your brain’s ability to adapt and store new information. Recently, neuroscientists have discovered...

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Human ancestors nearly went extinct 930,000 years ago

Apr 19, 2025

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Studying human evolution involves piecing together scattered clues about how we survived against tough odds. One of the biggest mysteries is understanding how large or small ancient human populations were. Typically, scientists rely on fossil records and ancient DNA to investigate these mysteries. But when it comes to periods as...

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Astronomers discover the universe’s missing cosmic matter

Apr 19, 2025

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Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to be missing. Scientists knew this matter had to exist based on predictions from the Big Bang, but it remained hidden. Recent discoveries now reveal this elusive material as diffuse clouds of...

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Scientists find overlapping dopamine activity in cannabis use disorder and psychosis

Apr 19, 2025

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People with cannabis use disorder show signs of altered dopamine activity in the brain that mirror patterns seen in psychosis, according to a new brain imaging study published in JAMA Psychiatry. Using a specialized form of magnetic resonance imaging, researchers found that individuals who used cannabis heavily over time had...

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New discovery reveals why early humans ate more plants than meat

Apr 19, 2025

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Along the ancient banks of a river in what is now northern Israel, scientists have uncovered surprising details about the diets of early humans. The discovery challenges a long-standing belief—that prehistoric people mostly relied on meat to survive. Instead, new findings show that plants, especially starchy ones, played a big...

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Men underestimate each other’s willingness to seek help for depression, study finds

Apr 19, 2025

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Many men underestimate how willing other men are to seek help for depression, which may discourage them from seeking help themselves, according to a new study published in Sex Roles. Despite the availability of mental health services, many people experiencing depression delay or avoid seeking help. Hege H. Bye and...

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Curiosity rover reveals ancient carbon cycle on Mars

Apr 19, 2025

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Billions of years ago, Mars was warm, wet, and capable of sustaining liquid water on its surface. Scientists have long believed the Red Planet once had a dense atmosphere rich in carbon dioxide (CO₂), but concrete evidence had remained scarce. Now, thanks to data from NASA’s Curiosity rover, the mysteries...

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Breakthrough mini-protein revolutionizes how we treat cancer

Apr 19, 2025

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A breakthrough in cancer treatment may soon change how some of the most aggressive tumors are managed. A small, specially-designed protein known as AKY-1189 has shown it can carry radiation directly to cancer cells, while sparing the healthy ones around them. This tiny carrier, also called a radiopharmaceutical, could become...

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Impulsivity and resilience help explain how childhood trauma affects coping in youth with depression

Apr 19, 2025

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A study of youths with depression in China found that resilience and impulsivity may mediate the relationship between childhood maltreatment and coping style. However, impulsivity did not play a mediating role among healthy participants. The study was published in Scientific Reports. Depression is a common and serious mental health disorder...

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Facial hair influences trust and attractiveness—but only among a specific group of men

Apr 19, 2025

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Facial hair can influence how much people trust you—but the effects depend on age and beard style. A new study published in Acta Psychologica found that young men with light stubble were perceived as more attractive, and as a result, they were trusted with more money in a trust-based economic...

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Major study finds that watching too much TV can hurt brain development

Apr 19, 2025

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From televisions in living rooms to tablets in playrooms, digital screens have become common in homes everywhere. Toddlers today encounter screens far more often than children in previous generations. Yet, the impact of this early-life exposure on their growing brains is just now becoming clear. New research highlights that excessive...

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New study reveals “striking” political divide in who trusts their doctor

Apr 19, 2025

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Trust in one’s personal doctor used to be politically neutral in the United States. But according to new research published in the British Journal of Political Science, that has changed. In the aftermath of the COVID-19 pandemic, Democrats have become significantly more likely than Republicans to trust their doctors and...

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Authoritarian attitudes linked to altered brain anatomy, neuroscientists reveal

Apr 19, 2025

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A new brain imaging study published in the journal Neuroscience has found that authoritarian attitudes on both the political left and right are linked to specific structural differences in the brain. Young adults who scored higher on right-wing authoritarianism had less gray matter volume in the dorsomedial prefrontal cortex, a...

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Breakthrough technology harnesses clean energy from falling rainwater

Apr 19, 2025

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Raindrops may seem harmless as they slide down windows or trickle through gutters. But inside each drop lies a powerful secret. When water flows through certain surfaces, it creates electrical charges. This is known as charge separation. It’s the same basic idea behind the static electricity you get when rubbing...

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Archeologists discover ancient fossil from the oldest known saber-toothed predator

Apr 18, 2025

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Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period. These land-dwelling creatures would later evolve into mammals, but their earliest history has long remained unclear. A striking fossil discovery on the island of Mallorca is now rewriting that timeline. It...

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Earth’s magnetic field failed 41,000 years ago – forever changing human evolution

Apr 18, 2025

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During a brief but dramatic chapter in Earth’s history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that may have shaped the course of human evolution. This period, called the Laschamps excursion, lasted around 2,000 years. The strength...

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High-efficiency smart energy device stores solar power for use after dark

Apr 18, 2025

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Harvesting the sun’s energy has always been an exciting challenge. As technology races forward, scientists are finding new ways to both collect and store that energy more efficiently. A recent scientific breakthrough brings a powerful solution one step closer to your home, school, or office. Researchers have created a smart...

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Lifesaving research finds AI significantly boosts suicide prevention

Apr 18, 2025

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In busy medical clinics, doctors often focus on treating physical problems. Yet mental health risks, like suicide, may go unnoticed unless something draws attention to them. A recent study from a team of researchers tested a new way to help doctors notice warning signs sooner. Using artificial intelligence (AI), the...

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Scientists unlock the hidden workings of memory using neurofeedback in rats

Apr 18, 2025

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A new study published in Neuron has shown that rats, like humans, can intentionally recall specific memories without being prompted by external cues or needing to act on those memories. Researchers developed a neurofeedback system that trained rats to mentally “jump” to remembered locations in a maze, revealing that memory...

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Common diabetes drugs may protect against Alzheimer’s disease

Apr 18, 2025

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Older adults living with Type 2 diabetes face more than just blood sugar concerns. New research shows some of the most commonly prescribed medications for managing this condition may also protect the brain. A recent study led by scientists at the University of Florida suggests that two classes of diabetes...

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Measles is back and anti-vaccine sentiment is to blame

Apr 18, 2025

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Measles was supposedly eradicated in Canada more than a quarter century ago. But today, measles is surging. Public Health Ontario recently announced that there have been 173 cases in the province in the past two weeks and 350 cases since autumn 2024. Many cases have required hospitalization. Last year, a...

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Women’s cognitive abilities remain stable across menstrual cycle

Apr 18, 2025

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A new meta-analysis published in PLOS One finds no robust evidence that women’s cognitive abilities vary across different phases of the menstrual cycle. Throughout history, popular narratives have often portrayed menstruation as a condition that impairs thinking and decision-making. This perception has made its way into public discourse, ranging from...

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Zealandia: Scientists discovered Earth’s missing 8th continent

Apr 18, 2025

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Beneath the turquoise waters of the South Pacific hides a massive secret—Zealandia, a sunken landmass stretching nearly two million square miles. Though mostly underwater, this geological giant has sparked debate as a possible eighth continent. Just 5% of its surface peeks above sea level, making it one of Earth’s most...

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A single dose of ashwagandha may boost your brainpower, study suggests

Apr 18, 2025

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A study of healthy young adults found that ashwagandha supplements improved both cognitive performance and mood. These improvements were observed one hour after taking the first dose and again after 30 days of daily supplementation. The findings were published in Nutrients. Ashwagandha, known scientifically as Withania somnifera, is a plant...

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Happy sexless couples exist—but they are very rare, according to new psychology research

Apr 18, 2025

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A new study published in the Journal of Family Psychology finds that most male-female couples who are in satisfying relationships tend to engage in sexual activity close to once per week. Researchers identified four distinct patterns based on how often couples had sex and how satisfied they were with their...

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New VR music platform enables real-time virtual performances

Apr 18, 2025

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Musicians across the world are now a step closer to feeling the real-time thrill of performing together—without being in the same room. A new technology is changing how music is made, practiced, and taught by turning video recordings into lifelike virtual performances. This breakthrough blends the rhythm of live music...

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Melatonin trial in older adults with cognitive impairment shows strong feasibility, but no clear effects yet

Apr 18, 2025

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A new clinical trial published in the Journal of Pineal Research found that a high nightly dose of melatonin was safe and well-tolerated in older adults with mild cognitive impairment, but did not produce significant improvements in brain function, mood, or sleep over a 12-week period. The findings suggest that...

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Changing implicit stereotypes helps men see themselves as more caring

Apr 17, 2025

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Men who were trained to associate communal traits with their own gender subsequently identified more with these traits themselves, according to new research published in Self & Identity. Caring, empathy, and social connection—collectively referred to as “communion”—are values that enhance well-being and support healthy societies. However, research shows that men...

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Paleontologists unearth massive apex predator 5x larger than T-Rex

Apr 17, 2025

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A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This giant, now known as Ulughbegasaurus, ruled the prehistoric world around 90 million years ago, long before the rise of its more famous cousin. The fossil record has...

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AI powers major leap in understanding Alzheimer’s and Parkinson’s Diseases

Apr 17, 2025

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In the fight against diseases like Alzheimer’s and Parkinson’s, scientists have long struggled to predict how certain proteins misfold. These misfolded proteins, known as amyloids, clump together in the brain, forming long fibers that interfere with normal brain function. Despite major advances in protein structure prediction, the unique and variable...

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