Neuroscie

Cannabis Destroys Sleep Quality – Neuroscience News

Summary: A 35-year study following adults from young adulthood into middle age reveals that both lifetime and recent cannabis use are tied to worse objectively measured sleep quality, characterized by…

Higher BMI Linked to Longer Survival After a Dementia Diagnosis

Summary: A long-term study of more than 4,500 older adults reveals that individuals who are overweight or obese when diagnosed with dementia exhibit a significantly lower risk of death than…

How Dark Traits Reshape Speech

Summary: A narrative psychology study from the University of Mississippi challenges the popular stereotype that individuals with psychopathic traits speak with cold, emotionless detachment. Published in Personality and Individual Differences,…

Adults With ADHD Face Higher Long-Term Dementia Risk

Summary: A massive study of more than 187,000 older adults enrolled in the NIH’s All of Us Research Program reveals that adults with attention-deficit/hyperactivity disorder (ADHD) face more than quadruple…

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…