🎙️ Science News Daily | Peer Review'd

Paleontologists have uncovered the southernmost fossils ever found of Purgatorius — the earliest known primate relative — forcing a rethink of how quickly our ancient ancestors spread after the dinosaurs vanished. Scientists drilling deep beneath Antarctic ice have retrieved a 23-million-year climate record that could sharpen predictions about future sea-level rise. For the first time, researchers...

Astronomers have spotted an ultra-rare 'ghost galaxy' made of 99% dark matter, detectable only by a handful of star clusters buried deep in space. A seizure drug already approved by the FDA is showing stunning potential to stop Alzheimer's disease before it even starts — and a dye-free molecular atlas of an Alzheimer's brain is upending everything scientists thought they knew about the disease. In...

A decades-old diabetes medication may be about to transform life for millions living with type 1 diabetes, and researchers have finally uncovered exactly how a landmark Alzheimer's drug clears plaques from the brain. Scientists have also released one of the most detailed maps of human aging ever built — spanning nearly seven million cells — pointing to genetic targets that could reshape how we tre...

Scientists at UC Berkeley have discovered an archaeon that ignores the universal genetic code, using stop signals to produce two entirely different proteins depending on environmental conditions — a finding that could reshape our understanding of life's molecular machinery. Meanwhile, the world's oldest known rock art has been dated to 67,800 years ago in Indonesia, pushing back the timeline of hu...

Astronomers have just released ALMA's largest-ever image of our galaxy's center, unveiling a stunning cosmic web that's rewriting what we know about stellar chemistry at the heart of the Milky Way. Meanwhile, scientists have cracked a decades-long debate about the Moon's magnetic field, revealing a turbulent lunar past with powerful but fleeting bursts of magnetism. On Earth, new research is upend...

Astronomers have spotted the most distant jellyfish galaxy ever observed, pushing back our understanding of early cosmic conditions by billions of years. NASA scientists have identified exactly where future Mars missions should search for ancient life — and it's not where you might expect. Earth's magnetic field is developing a rapidly expanding weak spot over the South Atlantic, and researchers a...

The James Webb Space Telescope has produced the first-ever 3D map of Uranus's upper atmosphere — and what it found about the ice giant's auroras and magnetic field is turning planetary science on its head. A newly detected X-ray outburst may be the first direct evidence of a long-theorized 'missing link' class of black hole caught in the act of consuming a dead star. Back on Earth, scientists conf...

A new study reveals how Antarctic meltwater dramatically disrupted the global ocean conveyor belt during past ice ages — and what that means for today's melting ice. Ancient carvings are forcing scientists to push the origin of writing back by tens of thousands of years, rewriting what we know about early human cognition. Researchers have engineered living bacteria to invade tumors and destroy can...

Scientists have discovered that muscle tissue may send protective signals to the brain during exercise, opening a radical new front in Alzheimer's research that goes far beyond the brain itself. In a stunning breakthrough, Stanford researchers reversed Type 1 diabetes in mice with an immune system reset — no insulin, no suppressants — with implications for autoimmune disease and organ transplants....

An 11-year-old just survived a once-unthinkable 16-hour surgery at Children's Hospital Colorado — the first of its kind at the hospital. Scientists have uncovered two separate molecular tricks cancer cells use to hide from the immune system and survive treatment, with pancreatic cancer at the center of one major discovery. A mysterious signal detected near the Milky Way's supermassive black hole c...

Astronomers have captured one of the clearest views yet of a dormant black hole roaring back to life, shooting jets of energy nearly a million light-years across space. Closer to home, a common bacterium linked to pneumonia is now being investigated for its potential role in Alzheimer's disease, with researchers finding higher levels of it in patients carrying a known high-risk gene. A five-thousa...

Two bombshell discoveries are forcing scientists to rethink how complex life on Earth first emerged, from oxygen-loving ancient microbes to a bizarre giant virus that may rewrite the role viruses played in our own evolution. Researchers have also mapped an Alzheimer's brain in unprecedented chemical detail, uncovering disruptions far beyond the amyloid plaques that have long dominated the conversa...

Scientists using the James Webb Space Telescope just discovered that supermassive black holes may be suppressing star formation across intergalactic distances — rewriting our understanding of cosmic evolution. In human health, a new blood test can now predict Alzheimer's symptoms years before they appear, while an international panel identified three already-approved drugs — including a surprising...

Researchers at Scripps Research have achieved the unprecedented—redesigning fentanyl at the molecular level to preserve pain relief while dramatically reducing fatal respiratory depression and addiction potential. Also covered: a patient who survived 48 hours without lungs using artificial life support, evidence that early Earth microbes were breathing oxygen hundreds of millions of years before t...

This week's episode takes you from a 12,000-year-old burial site where DNA analysis uncovered rare genetic disease in Ice Age humans, to the discovery of two brain receptors that could revolutionize Alzheimer's treatment with affordable pill-based therapies. We explore how an ultra-fast pulsar near our galaxy's supermassive black hole could unlock secrets of extreme gravity, examine groundbreaking...

This episode covers groundbreaking research revealing how brief cognitive training sessions may protect against dementia for up to 20 years. We also explore shocking new calculations suggesting the universe could begin collapsing in a 'big crunch' within 20 billion years, multiple cancer breakthroughs including the discovery of a chromosome-shattering enzyme, and surprising findings about intermit...

NASA's Parker Solar Probe delivers groundbreaking data that finally explains how solar wind accelerates from the Sun's surface—solving a 100-year-old puzzle critical for predicting space weather. Northwestern researchers have successfully planted ideas in people's dreams, with 75% of participants dreaming about cued puzzles and solving them more effectively the next day. New imaging reveals how ps...

This week on Peer Review'd: A giant star 2.5 million light-years away quietly collapses into a black hole, rewriting stellar death theory. We explore the planetary system that defies formation rules, breakthrough brain stimulation that makes people more generous, and the 20-year medical mystery about bile acids finally solved. Plus, quantum refrigerators that could revolutionize computing, freshwa...

This episode covers groundbreaking discoveries from across science. Learn how a 45-minute nap can reset your brain for better learning, and why a simple bedtime routine could dramatically improve your heart health. We explore the first confirmed H5N1 outbreak killing wildlife in Antarctica, an interstellar comet spraying water as it passes through our solar system, and a brain-training program tha...

Today's episode explores groundbreaking discoveries challenging fundamental physics, from evidence suggesting the universe may not be uniform in all directions to Hubble's stunning images of a galaxy leaving a glowing trail through space. We dive into what really makes planets habitable beyond just water, examine revolutionary 'dancing molecules' that could treat paralysis, and discover how a bono...

A 307-million-year-old fossil skull reveals Earth's earliest land animals were already experimenting with plant-based diets, pushing back timelines on dietary diversity. Physicists unlock new measurements of quantum time, discovering ultrafast electron transitions aren't instantaneous and depend on atomic structure. Medical breakthroughs span from a molecule disrupting glioblastoma's critical gene...

This episode explores groundbreaking discoveries across multiple scientific frontiers. Learn how researchers discovered a mirror-molecule approach that selectively targets cancer cells, why forests worldwide are losing their slow-growing 'backbone' species, and how a rust-like mineral in soil is revolutionizing our understanding of carbon storage. We also cover stunning space discoveries including...

This week's episode uncovers shocking evidence of ritualized violence in Europe's earliest wars, where severed limbs and public executions were used as calculated displays of power. We explore a revolutionary discovery pushing back the timeline of oxygen-breathing life by hundreds of millions of years, and investigate a controversial theory suggesting our galaxy's center might harbor exotic dark m...

This episode uncovers how six decades of satellite data misled climate scientists about Arctic snow cover—technology improvements were masquerading as environmental changes. We explore researchers combining caffeine with CRISPR for cancer treatment, UCLA chemists creating 'impossible' molecular bonds that violate textbook rules, and a disturbing machine learning analysis flagging potentially fabri...

This week brings explosive developments in medical AI, with new technology diagnosing brain disorders in mere seconds from MRI scans—potentially saving lives in emergency situations. We explore revolutionary 3D color imaging that detects cancer without radiation, a nanomaterial that hijacks cancer's chemistry to destroy tumors, and a paradigm-shifting Alzheimer's gene discovery. Plus: Mars's ancie...