Princeton study maps 200,000 years of Human–Neanderthal interbreeding

When the first Neanderthal bones were uncovered in 1856, they sparked a flood of questions about these mysterious ancient humans. Were they similar to us or fundamentally different? Did our ancestors cooperate with them, clash with them, or even form relationships? The discovery of the Denisovans, a group closely related…

Florida cat sniffs out another new virus—and scientists are listening

Pepper, the pet cat who made headlines last year for his role in the discovery of the first jeilongvirus found in the U.S., is at it again. This time, his hunting prowess contributed to the identification of a new strain of orthoreovirus. John Lednicky, Ph.D., Pepper’s owner and a University…

Scientists just found 200+ hidden proteins that may drive Alzheimer’s

For decades, the story of Alzheimer’s research has been dominated by a battle between A-beta and tau amyloids, both of which can kill neurons and impact the brain’s ability to function. A new study suggests, however, that these sticky brain plaques may not be operating alone. Johns Hopkins University researchers…

Inside the Maya king’s tomb that rewrites Mesoamerican history

Archaeologists from the University of Houston working at Caracol in Belize, Central America have uncovered the tomb of Te K’ab Chaak, the first ruler of this ancient Maya city and the founder of its royal dynasty. Now in ruins, this metropolis was a major political player in Maya history, dominating…

It’s never too late: Just moving more could add years to your life

Being consistently physically active in adulthood is linked to a 30–40% lower risk of death from any cause in later life, while upping levels from below those recommended for health is still associated with a 20–25% lower risk, finds a pooled data analysis of the available evidence, published online in…

Tiny fossil with razor teeth found by student — rewrites mammal history

A University of Portsmouth student has discovered a new species of prehistoric mammal dating back 145 million years to the Berriasian age, providing fresh insights into the diversity of early mammals that lived alongside dinosaurs. carried out “digital dental surgery” using CT scanning to isolate individual teeth for detailed study…

Why America’s still freezing — even as the world heats up

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. — and this study explains why. Researchers found that two specific patterns in the polar vortex, a swirling mass of cold air high in the stratosphere, steer extreme cold to different regions of the country. One pattern…

Breakthrough microchip reveals how your body fights viruses—in just 90 minutes

A new microchip invented by Scripps Research scientists can reveal how a person’s antibodies interact with viruses — using just a drop of blood. The technology offers researchers faster, clearer insights that could help accelerate vaccine development and antibody discovery. “This lets us take a quick snapshot of antibodies as…

First-of-its-kind crystal laser could power safer sensors and smarter tech

In a first for the field, researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign have reported a photopumped lasing from a buried dielectric photonic-crystal surface-emitting laser emitting at room temperature and an eye-safe wavelength. Their findings, published in IEEE Photonics Journal, improve upon current laser…

NASA probe flies into the Sun and captures the origins of solar storms

On its record-breaking pass by the Sun late last year, NASA’s Parker Solar Probe captured stunning new images from within the Sun’s atmosphere. These newly released images — taken closer to the Sun than we’ve ever been before — are helping scientists better understand the Sun’s influence across the solar…

A simple twist unlocks never-before-seen quantum behavior

Twisted materials — known as moiré structures — have revolutionized modern physics, emerging as today’s “alchemy” by creating entirely new phases of matter through simple geometric manipulation. The term “moiré” may sound familiar — it describes the strange rippling patterns you sometimes see when photographing striped shirts or screens; in…

Scientists uncover 15,000 kilometers of lost rivers on Mars

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been much wetter than previously thought. Researchers looked at fluvial sinuous ridges, also known as inverted channels, across Noachis Terra – a region in Mars’ southern highlands. These are believed…

This interstellar comet may be a frozen relic from before the Sun

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The “water ice-rich” visitor, named 3I/ATLAS, is only the third known object from beyond our solar system ever spotted in…

This tiny rice plant could feed the first lunar colony

The future of sustained space habitation depends on our ability to grow fresh food away from Earth. The revolutionary new collaborative Moon-Rice project is using cutting-edge experimental biology to create an ideal future food crop that can be grown in future deep-space outposts, as well as in extreme environments back…

The first pandemic? Scientists find 214 ancient pathogens in prehistoric DNA

A research team led by Eske Willerslev, professor at the University of Copenhagen and the University of Cambridge, has recovered ancient DNA from 214 known human pathogens in prehistoric humans from Eurasia. The study shows, among other things, that the earliest known evidence of zoonotic diseases — illnesses transmitted from…

Chang’e-6 unearths volcanic and magnetic mysteries on the Moon’s farside

The Moon’s near and far sides exhibit striking asymmetry — from topography and crustal thickness to volcanic activity — yet the origins of these differences long puzzled scientists. China’s Chang’e-6 mission, launched on May 3, 2024, changed this by returning 1,935.3 grams of material from the lunar farside’s South Pole-Aitken…

This shark can change color — thanks to hidden nano mirrors in its skin

New research into the anatomy of blue sharks (Prionace glauca) reveals a unique nanostructure in their skin that produces their iconic blue coloration, but intriguingly, also suggests a potential capacity for color change. “Blue is one of the rarest colors in the animal kingdom, and animals have developed a variety…

How a hidden brain circuit fuels fibromyalgia, migraines, and PTSD

Pain isn’t just a physical sensation — it also carries emotional weight. That distress, anguish, and anxiety can turn a fleeting injury into long-term suffering. Researchers at the Salk Institute have now identified a brain circuit that gives physical pain its emotional tone, revealing a new potential target for treating…

Brighter, bolder, hotter: Why female guppies can't resist orange

It turns out color isn’t just fashionable for guppies: According to a new UBC study, the more orange a male, the more virile it is. The research published in Nature Ecology & Evolution shines light on an enduring evolutionary mystery: why male guppies have such vibrant and varied colors and…

Lemurs age without inflammation—and it could change human health forever

What can lemurs tell us about inflammation and aging, aka “inflammaging” in humans? That’s the question Elaine Guevara, a biological anthropologist who studies the evolution of life history and aging in primates, set out to understand. In newly published research on age-related inflammation in ring-tailed and sifaka lemurs, Guevara discovered…

This magnetic breakthrough could make AI 10x more efficient

The rapid rise in AI applications has placed increasingly heavy demands on our energy infrastructure. All the more reason to find energy-saving solutions for AI hardware. One promising idea is the use of so-called spin waves to process information. A team from the Universities of Münster and Heidelberg (Germany) led…

This tiny implant could save diabetics from silent, deadly crashes

For people with Type 1 diabetes, developing hypoglycemia, or low blood sugar, is an ever-present threat. When glucose levels become extremely low, it creates a life-threatening situation for which the standard treatment of care is injecting a hormone called glucagon. As an emergency backup, for cases where patients may not…

Your Brain’s Hidden Defenses Against Alzheimer’s

It’s been recognized for some time that Alzheimer’s disease affects brain regions differently and that tau — a protein known to misbehave — plays an important role in the disease. Normally, tau helps stabilize neurons, but in Alzheimer’s disease, it begins to misfold and tangle inside neurons. It spreads across…

Bigger crops, fewer nutrients: The hidden cost of climate change

New preliminary research suggests that a combination of higher atmospheric CO2 and hotter temperatures contribute to a reduction in nutritional quality in food crops, with serious implications for human health and wellbeing. Most research into the impact of climate change on food production has focused on crop yield, but the…

Lasers capture the invisible dance of wind and waves

The international team, led by Dr. Marc Buckley from the Hereon Institute of Coastal Ocean Dynamics, has achieved a breakthrough in high-resolution imaging of the ocean surface. Using a specially developed laser measurement system aboard the research platform FLIP (Floating Instrument Platform) in the Pacific Ocean, they were able to…