ScienceDaily

A colossal new sea predator named Tylosaurus rex has been identified from fossils found in Texas, revealing a brutal 43-foot-long hunter that ruled ancient oceans 80 million years ago. The discovery not only introduces one of the biggest mosasaurs ever known, but also shakes up long-standing ideas about how these marine reptiles evolved.

Scientists in Germany have demonstrated a startling new form of surveillance: identifying people using nothing more than ordinary WiFi signals. By analyzing how radio waves bounce around a room, researchers can effectively “see” and recognize individuals — even if they are not carrying a device and even if their phone is turned off.

The world’s oceans are rising at an accelerating pace, and scientists now say they can fully explain what’s driving it. Warming seawater is the biggest factor, while melting glaciers and polar ice sheets are increasingly pouring more water into the oceans each year. Researchers also solved a puzzling mismatch in sea level measurements that had lingered for years.

Scientists have identified potentially cancer-causing chemicals hiding in many everyday foods, especially those exposed to high heat cooking methods like grilling, roasting, smoking, and frying. The compounds, known as PAHs, can form during cooking or enter foods through contamination, raising concerns about long-term health risks.

What if wormholes were never cosmic tunnels at all? New research suggests Einstein and Rosen’s famous “bridge” may actually reveal something even stranger: time itself could flow in two directions at once. Instead of connecting distant places in space, these bridges may connect mirror versions of time deep inside quantum physics, potentially solving the long-standing black hole information parado…

A new clinical trial suggests that eating beef every day may not be as risky for people with prediabetes as many assume. Researchers found that adults who ate 6–7 ounces of beef daily for a month showed no worsening in blood sugar control, insulin function, inflammation, or other key markers linked to type 2 diabetes when compared to people eating poultry instead.

Scientists have uncovered a strange hidden structure formed during the creation of metallocenes, a class of sandwich-like molecules used in everything from catalysis to medicine. The newly characterized intermediate features a rare “double ring-slip,” where both carbon rings partially detach from the metal atom. By finally observing this fleeting state, researchers gained fresh insight into how t…

Getting enough vitamin B12 to meet current health guidelines may not actually be enough to protect the aging brain. Researchers at UC San Francisco found that older adults with “normal” but lower levels of active B12 showed signs of slower thinking, delayed visual processing, and more damage to the brain’s white matter — the communication highways that help different brain regions work together.

A surprisingly simple walking tweak may offer new hope for millions living with knee osteoarthritis. In a year-long clinical trial, researchers found that slightly changing the angle of a person’s foot while walking reduced knee pain as effectively as common medications — and even slowed cartilage damage inside the joint.

Researchers have discovered how to fine-tune a futuristic type of porous glass that can trap gases like CO2 and hydrogen. Inspired by centuries-old glassmaking techniques, the team added sodium and lithium compounds to make the material easier to process and shape. The breakthrough could accelerate the development of high-performance materials for clean energy, gas storage, and advanced manufactu…

Researchers have discovered that the GLP-1 hormone targeted by drugs like Wegovy is present in very low amounts inside the joints of arthritis patients. That finding suggests high-dose GLP-1 medications could potentially reach the joints and influence inflammation directly, not just help through weight loss. Scientists say this could open the door to a completely new approach to arthritis treatme…

A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ancient microbes — inside the Hapcheon impact crater, suggesting that asteroid strikes may have created warm, mineral-rich lakes where early oxygen-producing life could flourish.

A new theory suggests many age-related diseases may actually start decades before symptoms appear. Researchers say early-life damage — from infections, injuries, or genetic mutations — can remain hidden until aging weakens the body’s ability to keep it under control. This could explain why conditions like cancer, osteoarthritis, and shingles suddenly emerge later in life.

Many people avoid learning a new language because they remember stressful grammar lessons or fear making mistakes. But language experts say communication, culture, and connection matter far more than perfection. Modern apps, entertainment, travel, and online communities have made learning easier, more social, and surprisingly fun.

Scientists are uncovering a surprising truth about aging cells: some may damage the body, while others help protect it. The discovery is fueling a new wave of precision anti-aging therapies aimed at removing only the harmful “zombie” cells without disrupting the body’s natural repair systems.