24 () posted 57 days ago by Mddet 57 days ago by Mddet +24 / -0 5 comments share 5 comments share save hide report block hide child comments Comments (5) sorted by: top new old worst You're viewing a single comment thread. View all comments, or full comment thread. ▲ 2 ▼ – zetaC 2 points 57 days ago +2 / -0 What percentage is human brain? permalink save report block reply
What percentage is human brain?