This common vitamin was linked to 13% better cognitive scores
Older adults with mild cognitive impairment and sleep problems who took at least 5,000 IU of vitamin D daily scored over 13% higher on cognitive tests than those taking none. The findings suggest vitamin D deserves further study as a potentially modifiable factor during early cognitive decline.
Read full story →Oldest human brain cells grown in lab 'recorded passage of time'
Human brain cells grown in laboratory conditions for seven years showed aging patterns similar to those in living brains. The peppercorn-sized cell clusters demonstrated they could track the passage of time.
JWST peeks at Callisto's ancient scars
The James Webb Space Telescope detected activity on Callisto, Jupiter's moon with an ancient crater-covered surface previously thought to be geologically inactive. JWST observations revealed that Callisto undergoes more geological processes than scientists previously believed possible.
Hot temperatures can dull blue morpho butterflies' iridescent scales
High temperatures during development reduce the brightness of blue morpho butterfly iridescence by altering the scales' light-reflecting structures. Birds and other butterflies would perceive a noticeable color change in butterflies exposed to warming conditions.