steemitboard (66)in #blog • 5 years agoRE: Scientists Find Very Young Cells in Even Very Old BrainsCongratulations @openledgeer-dex! You received a personal award! Birthday! - You are on the Steem blockchain for 1…steemitboard (66)in #blog • 6 years agoRE: Scientists Find Very Young Cells in Even Very Old BrainsCongratulations @openledgeer-dex! You have completed the following achievement on Steemit and have been rewarded with…