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.
Read full story →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.
The dental crown of the future could be 3D-printed while you wait
Researchers reduced 3D-printing time for zirconia dental crowns from 100 hours to under 30 minutes. This advancement could enable dentists to produce customized permanent crowns during a single patient appointment.