This simple amino acid supplement greatly reduces Alzheimer’s damage

Alzheimer’s disease (AD) is a progressive brain disorder and a leading cause of dementia worldwide. Despite years of research, there is still no cure. New antibody-based treatments that target amyloid β (Aβ) have recently emerged, but their benefits have been modest. These therapies can also be expensive and may trigger…

Greenland ice melt has surged sixfold and scientists are alarmed

Climate change is dramatically reshaping how Greenland’s ice sheet melts, according to a new study led by the University of Barcelona and published in Nature Communications. Researchers found that extreme melting events are now happening more often, covering larger areas, and producing significantly more meltwater than in the past. Since…

Scientists turn plastic waste into clean hydrogen fuel using sunlight

Scientists are developing a new way to tackle two major global problems at once: plastic pollution and the demand for clean energy. By using sunlight, they are finding ways to turn discarded plastic into useful fuels. A recent study led by Adelaide University PhD candidate Xiao Lu examines how solar-powered…

MIT scientists finally reveal the hidden structure of a mysterious high-tech material

Materials known as relaxor ferroelectrics have played an important role for decades in technologies such as ultrasound imaging, microphones, and sonar. Their unusual performance comes from the way atoms are arranged inside them. However, that internal structure has been extremely difficult to measure directly, leaving scientists to rely on incomplete…

The da Vinci bloodline is unlocking the genius’s genetic secrets

For more than 500 years, Leonardo da Vinci has been admired as a brilliant artist, inventor, and thinker whose talents seemed far ahead of his time. Now, an ambitious international effort known as the Leonardo DNA Project is bringing scientists closer than ever to uncovering the biological roots of his…

NASA just took a huge step toward the Moon after Artemis II success

After NASA’s Artemis II mission ended with a successful splashdown, engineers began closely reviewing data from across the mission. Their goal is to evaluate how major systems performed, including the Orion spacecraft, the SLS (Space Launch System) rocket, and ground infrastructure at Kennedy Space Center in Florida. Early findings suggest…

NASA shuts down 49-year-old Voyager 1 instrument to keep it alive

On April 17, engineers at NASA’s Jet Propulsion Laboratory (JPL) in Southern California sent a command to turn off an instrument on Voyager 1 known as the Low-energy Charged Particles experiment, or LECP. The spacecraft, powered by a nuclear energy source, is gradually losing power, and shutting down this instrument…

Scientists reveal creatine’s hidden power beyond muscle gains

Creatine is widely known as a go to supplement for athletes and gym enthusiasts, often linked to improved strength and performance. But beyond the fitness world, scientists have been taking a closer look at how this compound affects both the body and the brain. From helping cells produce energy to…

This simple blood test might detect depression before symptoms appear

Blood tests that track how certain white blood cells age may help identify depression by focusing on emotional and cognitive symptoms rather than physical ones. The research, published in The Journals of Gerontology, Series A: Biological Sciences and Medical Sciences, moves scientists closer to finding a reliable biological marker for…

Weight loss drug Ozempic linked to lower depression and anxiety risk

Medications used to treat type 2 diabetes and obesity, including well-known brands like Ozempic and Wegovy, may offer unexpected mental health benefits. These drugs belong to a class called GLP-1 receptor agonists, and a large new study found they are linked to fewer psychiatric hospital visits and less time off…

Alzheimer’s drugs may not work and could raise brain risks

A major Cochrane review has found that drugs designed to target amyloid beta proteins in the brain are unlikely to provide meaningful benefits for patients. At the same time, these treatments appear to increase the risk of brain swelling and bleeding. Amyloid beta is a protein that builds up in…

Scientists just discovered what coffee is really doing to your gut and brain

Researchers at APC Microbiome Ireland, a leading research center at University College Cork, have taken a major step toward understanding how coffee benefits the body. For the first time, scientists have closely examined how coffee interacts with the gut-brain axis, the communication network that links the digestive system and the…

Malaria didn’t just kill early humans, it shaped who we became

A growing body of research suggests that modern humans did not originate from a single location, but instead emerged through interactions among groups spread across different regions of Africa. Traditionally, scientists have explained where these populations lived based mainly on climate. New findings now point to another powerful influence: disease,…

The creepy feeling in old buildings might have a surprising cause

Infrasound refers to extremely low-frequency sound waves, below 20 Hertz (Hz), which are generally beyond the range of human hearing. These vibrations can arise from natural events such as storms, as well as human-made sources like traffic and industrial equipment. In the animal world, some species rely on infrasound to…

Physicists just found a tiny flaw in time itself

Quantum mechanics is famous for its strange and often counterintuitive ideas. At very small scales, particles do not behave like everyday objects. Instead, they can exist in multiple states at once, a concept known as superposition. Physicists describe this behavior using a mathematical object called a wavefunction. Yet this picture…

Scientists found the brain doesn’t start blank, it starts full

The hippocampus plays a central role in how we form memories and navigate space. It helps convert short-term experiences into long-term memories, allowing us to store and build on what we learn. Scientists led by Magdalena Walz Professor for Life Sciences Peter Jonas at the Institute of Science and Technology…

Are your memories real? Physicists revisit the Boltzmann brain paradox

In a new study, SFI Professor David Wolpert, SFI Fractal Faculty member Carlo Rovelli, and physicist Jordan Scharnhorst take a fresh look at a famous and unsettling idea in physics and cosmology known as the “Boltzmann brain” hypothesis. This concept suggests that our memories, perceptions, and observations might not reflect…

Scientists built a memory chip that breaks the rules of miniaturization

Have you ever felt your smartphone heat up after heavy use or watched the battery drop at the worst possible moment? A big reason is the electronic circuits and memory inside the device, which consume energy and release heat as they operate. At the most basic level, computer memory stores…

Scientists stunned as pink katydid transforms into green camouflage

Scientists have discovered a tropical insect that can shift its color from bright hot pink to green in about two weeks. Researchers believe this dramatic transformation helps it resemble the young leaves of rainforest plants, which often start out pink before turning green. The discovery, reported this week in the…

Why do crabs walk sideways? Scientists trace it back 200 million years

Scientists have uncovered new clues about how crabs developed their distinctive sideways movement. A new study, released as a Reviewed Preprint in eLife, brings together the largest dataset yet on how crabs move. By comparing many species, the researchers traced this unusual walking style back to a shared ancestor that…

18th-century mechanical volcano roars to life 250 years later

A mechanical artwork first imagined in 1775 to recreate the eruption of Italy’s Mount Vesuvius has been brought to life for the first time, 250 years after it was conceived. The revival was made possible through modern technology and the creativity of two engineering students at the University of Melbourne.…

Boosting one protein helps the brain fight Alzheimer’s

Researchers at Baylor College of Medicine have uncovered a built in process that can remove existing amyloid plaques from the brains of mouse models of Alzheimer’s disease while also helping preserve memory and thinking ability. The discovery centers on astrocytes, star shaped support cells in the brain, which can be…

The “big one” might not come alone: Double West Coast earthquake threat

Two major fault systems along North America’s West Coast, the Cascadia subduction zone and the San Andreas fault, may be more closely connected than previously believed. A new study suggests that activity on one fault could trigger earthquakes on the other, raising the possibility of closely timed seismic events. “We’re…

Scientists sound alarm as dangerous amoebas spread globally

A team of environmental and public health scientists is raising concerns about a largely overlooked group of microscopic organisms that may pose a growing danger worldwide: free living amoebae. In a recent perspective article published in Biocontaminant, researchers explain that these tiny life forms are becoming an emerging global health…

Astronomers finally solve the gamma-Cas X-ray mystery after 50 years

Astronomers have finally identified the source of unusual X-rays coming from the bright star gamma-Cas. The culprit is an unseen companion star that is pulling in material from its larger neighbor. This discovery brings an end to a mystery that has puzzled scientists for more than fifty years. New high-resolution…

This laser turns metal into a star-like plasma in trillionths of a second

When intense laser flashes strike matter, they can knock electrons out of their positions around atomic nuclei. This process creates plasma, an extremely hot state made up of charged particles known as ions and electrons. Researchers at Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have now captured this ionization process with unprecedented detail, as…

Scientists discover a hidden brain “cleaning” effect triggered by movement

Scientists have discovered that the brain is more physically linked to the body than previously understood. In findings published April 27 in Nature Neuroscience, researchers used experiments in mice along with computer simulations to uncover a possible reason why physical activity supports brain health. The study shows that when abdominal…

You don’t need intense workouts to build muscle, new study reveals

If you believe getting stronger requires pushing yourself to the limit at the gym, new research suggests otherwise. Findings from Edith Cowan University (ECU) show that improving muscle size, strength, and performance does not depend on exhausting workouts or feeling sore afterward. “The idea that exercise must be exhausting or…