Brainmax Naga Super, h? tr? làm gi?m các tri?u ch?ng c?a thi?u n?ng tu?n hoàn nãoJapanese physicist Hantaro Nagaoka initially synthesized gold by bombarding mercury with neutrons in 1924. Although transmuting mercury into gold is easiest, gold is usually made out of other things—even lead!The abundance of gold in the mantle and core is myster