Oldest human brain cells grown in lab ‘recorded passage of time’

Genetic ‘clocks’ reveal ageing in lab-grown brain cells 11 MIN(s) UPDATED 11 MIN(s) This handout image obtained from the press service of Springer Nature Publishing Group on August 19, 2026 shows a view taken in March 2023 in the Arlotta Lab, Department of Stem Cell and Regenerative Biology of Harvard University of bra

Peppercorn-sized clumps of human brain cells grown in a lab for a record seven years aged similarly to those inside our heads, suggesting they “recorded the passage of time,” scientists said Wednesday.