Neuroscie
Prenatal Lead Exposure Affects the Aging Brain
Summary: The consequences of lead exposure may take six decades to fully manifest. A remarkable study has linked lead exposure during the second trimester of pregnancy to lower cognitive performance…
Could an “Exercise Pill” Help Treat Depression?
Summary: It’s a cruel irony of mental health: exercise is a powerful antidepressant, yet depression often robs people of the motivation and energy required to move. A new paper proposes…
OCD Brains Work Harder to Stay on Track
Summary: Getting dressed in the morning seems like a simple sequence, but for those with obsessive-compulsive disorder (OCD), the brain may be working overtime just to keep from “getting stuck.”…
Your DNA Might Be the Reason Music and Art Gives You Chills
Summary: Have you ever felt a sudden shiver or goosebumps while listening to a powerful piece of music or reading a moving poem? Scientists call this the “telltale tingle” or…
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…
