miriscient (adjective)
mi·RI·see·ent, /mɪ'ɹɪsiːɛnt/
A person who is curious and permanently in wonder of what they discover in the world about them.
One of the most miriscient people I know must be Sir David Attenborough.
Roots: Mirus (latin): marvelous, wonderful, amazing; Sméyros (proto-indo-european): laughing/smiling; Scio/Scient (latin): to know, to be aware