Neuroscie
How the Brain Replays Sight to Create Mental Images
Summary: Have you ever wondered why a memory can feel as vivid as a photograph? A groundbreaking study has finally cracked the “neural code” behind visual imagination. By recording the…
How Trauma Changes a Child’s Sense of Touch and Sound
Summary: For young survivors of the October 7, 2023, attacks, the trauma of war has moved beyond the mind and into the nervous system. A new study reveals that nearly…
Double Shifts Wreck the Body’s Stress Rhythm
Summary: For most people, the “stress hormone” cortisol hits its lowest point at midnight, allowing the body to recover and rest. However, new research reveals that for nurses working double…
Single Immune Switch Drives Both Arthritis and Alzheimer’s
Summary: Inflammation is the body’s natural defense, but when it gets stuck in the “on” position, it drives everything from sepsis to Alzheimer’s. A comprehensive review identifies a protein called…
Life
Nature
Newfound bat skeletons are the oldest on record
Two fossilized bat skeletons unearthed in western Wyoming represent a new species and are the oldest set of bat bones yet discovered, researchers say. The incredibly complete fossils of Icaronycteris…
Astronomy
Asteroid 2024 YR4 was Earth’s first real-life defense test
Artist’s depiction of an asteroid floating in space. Credit: NASA, ESA, CSA, N. Bartmann (ESA/Webb), Martin Kornmesser (ESA), Serge Brunier (ESO), Nick Risinger (Photopic Sky Survey) At this point in…
How do you fire someone into the sun?
Firing our villain straight at the Sun results in a big miss. Credit: Michael Brown, CC BY To point a rocket directly at the sun and hit would require great…
Cosmic ray puzzle resolved as scientists link ‘knee’ formation to black holes
LHAASO experiment. Credit: LHAASO Collaboration Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy…
If the supernova standard candle is wrong, it could solve the Hubble tension
An illustration showing how Baryon Acoustic Oscillations (BAOs) expand with the universe. Credit: Gabriela Secara, Perimeter Institute CC-BY-4.0 Last time I wrote about new data that overturns the standard cosmological…
