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Phys.org / Nanotyrannus was not a juvenile T. rex, new study confirms

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a separate species or simply a juvenile Tyrannosaurus rex? A new paper published in Science has definitively ...

Dec 4, 2025 in Biology
Phys.org / Fearless frogs feast on deadly hornets

A remarkable resistance to venom has been discovered in a frog that feasts on hornets despite their deadly stingers. This frog could potentially serve as a model organism for studies on mechanisms underlying venom tolerance.

Dec 4, 2025 in Biology
Phys.org / Lightning channels reveal hidden bursts: Lateral negative re-discharges observed for first time

A new study led by researchers from the Institute of Atmospheric Physics of the Chinese Academy of Sciences (CAS) has uncovered the first observational evidence of lateral negative re-discharges occurring on negative leader ...

Dec 4, 2025 in Earth
Medical Xpress / Volcanic eruptions may have brought Black Death to Europe

Previously unknown volcanic eruptions may have kicked off an unlikely series of events that brought the Black Death—the most devastating pandemic in human history—to the shores of medieval Europe, new research has revealed.

Medical Xpress / Exercise slows tumor growth in mice by shifting glucose uptake to muscles

It's well known that exercise is good for health and helps to prevent serious diseases, like cancer and heart disease, along with simply making people feel better overall. However, the molecular mechanisms responsible for ...

Dec 2, 2025 in Oncology & Cancer
Tech Xplore / Using smartphones to improve disaster search and rescue

When a natural disaster strikes, time is of the essence if people are trapped under rubble. Conventional search-and-rescue methods use radar-based detection or employ acoustics that rely on sounds made by victims.

Dec 5, 2025 in Engineering
Phys.org / KIC 5623923 is a faint eclipsing binary exhibiting Delta Scuti-type pulsations, observations find

Using NASA's Kepler space telescope, Chinese astronomers have observed a binary star system known as KIC 5623923. As a result, they found that the investigated system is a faint eclipsing binary experiencing Delta Scuti-type ...

Dec 3, 2025 in Astronomy & Space
Medical Xpress / New approach makes common breast cancer type responsive to immunotherapy

A study led by researchers at the Hospital del Mar Research Institute advances one of the most significant milestones in breast cancer treatment, making immunotherapy effective against the most common tumor type, estrogen ...

Dec 4, 2025 in Oncology & Cancer
Tech Xplore / Aluminum nitride transistor advances next-gen RF electronics

Cornell researchers have developed a new transistor architecture that could reshape how high-power wireless electronics are engineered, while also addressing supply chain vulnerabilities for a critical semiconductor material.

Dec 4, 2025 in Engineering
Phys.org / Scientists capture first detailed look inside droplet-like structures of compacted DNA

Inside human cells, biology has pulled off the ultimate packing job, figuring out how to fit six feet of DNA into a nucleus about one-tenth as wide as a human hair while making sure the all-important molecules can still function.

Dec 4, 2025 in Biology
Medical Xpress / Modified herpes virus helps destroy glioblastoma in preclinical models

Researchers at Mass General Brigham have modified a herpes simplex virus (HSV-1) that stimulates the immune system to attack glioblastoma cells. A single dose of the modified virus increased T-cell, natural killer cell, and ...

Dec 4, 2025 in Oncology & Cancer
Phys.org / Seeding jet exhaust with ice-nucleating particles could reduce aviation's climate impact

If you look up at the sky on a clear day, chances are you'll notice thin, white clouds—also known as contrails—following behind airplanes.

Dec 4, 2025 in Earth