Neuroscie

Model Identifies the Exact Threshold for Optimal Ambition

Summary: A collaborative mathematical study reconciled conflicting pieces of cultural advice by mapping the exact parameters of human ambition. The research utilizes sequential search modeling to prove that optimal success…

Dopamine Locks in Stress-Induced Sexual Dysfunction

Summary: Researchers isolated the exact biochemical circuitry that anchors stress-induced sexual dysfunction. By subjecting Drosophila fruit flies to confinement stress, the research team demonstrated that the neurotransmitter dopamine acts as…

Unmasking the Epigenetic Disparity in Anxiety Disorders

Summary: Researchers have been awarded a five-year, $3.2 million grant from the U.S. National Institutes of Health’s National Institute of Mental Health. The research targets the precise epigenetic networks within…

Study Exposes Risks of Emotional Bonds With AI Chatbots

Summary: A new study revealed that while people are increasingly turning to artificial intelligence chatbots for emotional and mental health support, the vast majority of users view these systems as…

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…