Sciencealert

Bones, Liver, And Blood Fats All Shift Abruptly at Menopause, Huge Study Finds - ScienceAlert

If puberty is like climbing a physiological cliff, then menopause may be like falling off one. A new study, published in Nature Medicine, argues that the end of menstruation is not a gradual part of…

A Mysterious Signal Reached Us From When The Universe Was Just 3 Billion Years Old. Its Home Galaxy Surprised Astronomers. - ScienceAlert

Sometimes we receive strange, ghostly radio signals from outer space, which astronomers have yet to conclusively explain. Partially because they disappear almost as soon as they arrive. The ephemera known as fast radio bursts (FRBs) are among the Universe's…

Physicists Built a Black Hole in a Lab. Then It Swallowed Sound. - ScienceAlert

Sound can be a tricksy beast to try to harness. It fills the world around us, bursting from its multitudinous sources, bouncing off surfaces as echoes a property that makes sound both incredibly use…

An Earth-Sized Planet Could Survive With 2 Suns Just 16 Light-Years Away - ScienceAlert

Planets with two suns have intrigued our cosmic imagination ever since they appeared in a popular work of fiction set in a galaxy far, far away. That's right, the globally famous King in Yellow, published in 1895.

A Little Fish in The Deep Sea Swallowed a Meal Way Bigger Than Itself. Scientists Caught It on Camera. - ScienceAlert

There's always a bigger fish in the sea. For most of us, that idiom is a warning but for one little swimmer in the deep, it's a blessing. The black swallower fish (Chiasmodon niger) is a little cre…

Scientists Gave People 2 Nearly Identical Meals. One Triggered Much More Insulin. - ScienceAlert

You've probably heard a bit about ultra-processed foods by now, and if so, you likely know they're not the healthiest things you can eat. These industrially manufactured foods are increasingly being…

Scientists Identify Brain Cells That May Explain Why Cannabis Triggers Anxiety - ScienceAlert

Cannabis is famous for making people feel relaxed, amused, and even elated, but sometimes it can have almost the opposite effect. In some cases, cannabis use can trigger feelings of anxiety, panic, …

Scientists Find Squid Are Covered in Hair-Like Cells Remarkably Similar to The Ones in Human Ears - ScienceAlert

The skin of a squid, surprisingly, has much in common with an organ inside your ear. As reported in a new study in Current Biology, scientists have found that squid are covered in cells with little …

Scientists Collected Deep-Sea Rocks. They Spontaneously Caught Fire in The Lab. - ScienceAlert

Scientists investigating the possibility of a 'gold rush' on the bottom of the ocean have hit upon an unforeseen 'landmine'. Researchers at the United States Geological Survey (USGS) are now warning…

For The First Time Ever, Quantum Spins Shift a Centimeter-Scale Object - ScienceAlert

There's another notable first in the field of quantum physics to report on, and it's all to do with electron spin: the tiny, built-in magnetism of these particles, as if each one is carrying a microscopic compass needle.

Archaeologists Uncover Unprecedented Evidence of Neanderthal Woodworking Skills - ScienceAlert

We Homo sapiens are pretty damn proud of our tool-making prowess. From smartphones to the humble-yet-mighty wheel, our ability to craft objects to help us attain our goals is something that we've of…

A Distinct New Type of Diabetes Has Officially Been Recognized - ScienceAlert

After decades of controversy, the International Diabetes Federation (IDF) officially recognized a fifth form of diabetes in 2025. It's now urging other health authorities, like the World Health Orga…

New Trial Compared Muscle Gains in Vegetarians And Meat Eaters. One Difference Stood Out. - ScienceAlert

Plant-based diets are associated with many long-term health benefits, but for older adults, there may be a potential downside. Eating a strictly vegetarian diet may make it harder to protect muscle …

Our Solar System May Be Destroyed 100 Times Faster Than We Thought - ScienceAlert

The cosmos wavers between predictable stability and wild chaos, which troubles our sense-seeking brains. In our local Solar abode, the stability of the planets "is the question around which celestia…

Scientists Find a Strange Chemical Loop That May Have Helped Life Get Started - ScienceAlert

Space rocks like Bennu contain key genetic ingredients such as sugar, which they delivered in explosive fashion to provide early Earth with another source of life-friendly materials. Ribose is one such bio-essential sugar, some of which may have arrived from…

People With Narcolepsy Have Surprisingly Youthful Brains, But Scientists Don't Know Why - ScienceAlert

It's clear dementia and sleep disturbances are intertwined, but the relationship remains murky. While poor sleep can increase the risk of cognitive decline, dementia may also raise the risk of sleep…

Secret of Orange Cats Finally Revealed After 60-Year Search - ScienceAlert

If you've ever lived with an orange cat, you already know they're built different. It turns out, genetically speaking, they really are. Orange fur is one of the most recognizable traits in the felin…

GLP-1 Users Are Reporting Their Fingernails Detaching - ScienceAlert

When you start a medication and notice something different about your body, a question can follow: Is the drug responsible? Changes to your nails might prompt that question, too. In a new study, re…

Higher Levels of 19 Potentially Toxic Chemicals Found in The Teeth of Children With Autism - Yahoo

While scientists are still continually learning what causes autism, there's already considerable evidence linking environmental exposures to the condition, in addition to genetic factors. In recent …

Ever Heard of The Nordic Diet? Large Study Finds It Could Help You Live Longer - ScienceAlert

Most of us have heard of the Mediterranean diet and its many health benefits, but there's another European eating plan that could also help you live longer. It's called the Nordic diet, and it is ba…

One Everyday Habit Is Linked to 49% Higher Risk of Eating Disorder Symptoms in Teens - ScienceAlert

Giving a child a smartphone before age 13 could be risky for some aspects of their mental health. In a new study of nearly 9,000 adolescents in the US, researchers found that owning a smartphone at …

DNA From a Human Brain Gene Has Turned Up In a Virus - ScienceAlert

Some pieces of our DNA can copy themselves into new locations. Copies derived from one gene active in human brain cells appear to have taken that journey further: into a virus. Researchers found two…

Sexually Transmitted Diarrhea Is Exploding in The US. And It's Growing Resistant to Medicine - ScienceAlert

A gut pathogen that causes diarrhea and vomiting is morphing into a dangerous and difficult-to-treat sexually transmitted infection (STI). In the United States, roughly 450,000 people acquire shigel…

In 2026, We're Still Finding Out How The Brain Clears Its Waste. Scientists Just Found a Missing Piece. - ScienceAlert

You read a sentence, remember a familiar face, then turn to another thought. Behind all of that activity, your brain also has a housekeeping problem: what to do with proteins that can become harmful …

Your Brain Under Anesthesia Behaves Surprisingly Like a Worm's, Scientists Discover - ScienceAlert

Every day, thousands of people are put under general anesthesia as a routine part of surgery. Ever since the first public demonstration of surgery under general anesthesia in 1846, these drugs have …

Scientists Reveal The Optimal Amount of Sleep For Lower Dementia Risk - ScienceAlert

A lack of good-quality sleep has long been linked to an increased risk of developing dementia, but recent research goes further – giving us an optimal amount of overnight slumber to minimize dementia risk later in life.

After 25 Years, Physicists Can Finally Measure The 'Other' Kind of Quantum Entanglement - ScienceAlert

Quantum entanglement is one of the most cognitively jarring disconnects between the quantum domain and the macroscopic world. When fundamental particles such as electrons or photons are entangled, they share a quantum identity and cannot be described as indi…

Scientists May Have Found a Way to Make Damaged Adult Retinas Repair Themselves - sciencealert.com

There's a rare, inherited sight condition, involving faulty copies of the CaBP4 gene, that causes poor vision from childhood. The protein made by the gene is crucial for chemical signaling in the ret…

Old Hearts Become Biologically Younger When Transplanted Into Younger People - ScienceAlert

The heart is, inarguably, one of the most important organs in the body. It sits in your chest, carefully armored by sternum and ribs, constantly pulsing to maintain the flow of blood, transporting o…

One Diet Change May Ease Depression Symptoms in Just 4 Weeks, Small Trial Finds - ScienceAlert

A packet of snacks. A sugary drink. A meal ready in minutes. Ultra-processed foods make life easier in the kitchen. Researchers are investigating whether eating fewer of them could also make a differ…

The Aging Brain Isn't Declining – It's Adapting, Study Finds - ScienceAlert

As we get older, our episodic memory managed by the hippocampus region gradually gets worse. That's the memory related to specific details, like where the car's parked or what time an appointment is.…

Tapeworm Treatment Shows Early Effectiveness Against Endometriosis - ScienceAlert

The pain returns each month, sometimes lingering after a period ends. Even when treatment brings relief, it may not stay away. For many women living with endometriosis, this cycle continues for years…

Ozempic Rival Delivers 25% Weight Loss at Highest Dose in Phase 3 Trial - ScienceAlert

A flight of stairs can become a challenge for aching knees. Sleep can be broken by repeated breathing problems. For people living with obesity, the effects of the disease can reach far beyond the num…

No Longer Just North And South: A New Material Joins The Third Type of Magnetism - ScienceAlert

Unlike what a certain donut company suggests, the world actually runs on magnetism. It's essential for generating power, building (electric) vehicles, and powering life-saving medical technologies l…

Choice of Tea or Coffee Might Affect Risk of Osteoporosis in Older Women - ScienceAlert

Few of us would turn down a nice cuppa. But over the years, daily decisions between tea or coffee could make a big difference to women's bone health, a recent study suggests. Osteoporosis is a commo…

Physicists Find a Superconductor That 'Breaks' The Symmetry of Time – A First For Its Kind - ScienceAlert

Under certain conditions – such as bone-brittling temperatures lower than that of deep space – superconductors can conduct electricity without resistance and resultant energy loss. Though they vary in their chemical composition, operational temperature range…

Revolutionary Feathered Dinosaur Discovery in China Suggests Flight Evolved Multiple Times - ScienceAlert

An exquisitely preserved feathered raptor just discovered in north-eastern China could probably fly. It's also somewhat disrupted the evolutionary path we thought birds took to get into the air. N…

One of The World's Most Used Drugs May Lower Dementia Risk – But There's a Catch - ScienceAlert

One of the most widely used drugs in the world could help reduce dementia risk when taken daily but only for some. An analysis of a large randomized controlled trial, including more than 13,500 olde…

Watch Plasma Erupt in Full Color Inside a Fusion Reactor at 16,000 FPS - ScienceAlert

When the tokamak powers on, something magical happens in the confines of its reinforced belly. Plasma born of heavy hydrogen blooms into brilliant pink, roiling and writhing around the doughnut-shap…

How You Eat Your Fruit Is Linked to Heart Health, Study of 371,000 Americans Reveals - ScienceAlert

In the US, the official health recommendations for fruit are two cups per day for a diet based on 2,000 daily calories – but it's estimated that 8 in 10 people aren't reaching that level, and consuming less than half that amount.