Neuroscie

Daily Steps Tied to Lower Teen Depression

Summary: A longitudinal study tracking more than 5,500 American adolescents reveals that higher daily step counts directly correlate with fewer mental health issues one year later. Led by researchers at…

Why Cannabis Can Suddenly Trigger Panic

Summary: Neuroscientists at Northwestern University have pinpointed a specific population of neurons that drives acute anxiety following exposure to cannabinoid compounds under stressful conditions. Published in Nature Communications, the preclinical…

Could Your Voice Reveal How Fast Your Brain Is Aging?

Summary: A multicenter study of nearly 3,000 individuals published in Science Advances reveals that machine-learning models can infer a person’s biological age and brain health from vocal patterns. This newly…

Neurodevelopmental Syndrome Linked to Partial Loss of BRSK1

Summary: Using the artificial intelligence tool AI-MARRVEL alongside functional fruit fly models, researchers have identified rare variants in the BRSK1 gene as the underlying cause of an undiagnosed neurodevelopmental condition.…

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…