Photo via Max Pixel via Creative Commons License
Plasma in human blood contains trace amounts of gold. Its role in the human body is unknown.
Do humans have a heart of gold? Well, gold makes up 0.02% of human blood.
The Declaration • January 13, 2022 • https://thedeclarationatcoloniahigh.com/55996/fun-factofthe-day/january-13-heart-of-gold/
January 13 – Heart of gold