Subtitled in Korean빛의 파동, 보이거나, 보이지 않거나 - 루시안 왈코빅즈 (Lucianne Walkowicz)Translated by 준범 이Reviewed by Jungmin Lee
Subtitled in Korean18:27Why our IQ levels are higher than our grandparents'James FlynnTranslated by Sieun LeeReviewed by 준범 이
