Lò, ajan, ak kwiv te istorikman konsidere kòm kèk nan metal ki pi presye sou planèt la. Men, verite a se ke ityòm se aktyèlman youn nan metal yo ki pi enpòtan nan moun kounye a. You might not necessarily spend much time thinking about lithium—and you probably wouldn’t ask your significant other to buy you… Li piplis »