Neuroscie
Brain’s Internal Disappointment Meter Forces Behavioral Change
Summary: A precision developmental neurobiology and behavioral study has identified a dedicated group of brain cells that function as a physical “disappointment meter.” The research isolates a distinct type of…
Are Long-Term Antidepressant Benefits Overstated?
Summary: A clinical overview challenged the scientific consensus supporting long-term antidepressant use. The review unmasked a fundamental flaw in existing clinical trial designs. Investigators revealed that the widely cited benefits…
Stroop Test Exposes Inherent LLM Flaw
Summary: A new cognitive evaluation of artificial intelligence has unmasked a fundamental, systemic flaw running through large language model (LLM) attention mechanisms. By administering the classic psychological “Stroop task” to…
Semantic Knowledge Is Key to Human Innovation
Summary: A new study has isolated the foundational cognitive engine driving human creativity and technological advancement. The research demonstrates that our “semantic knowledge”, the internal cognitive map of how concepts…
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…
