Subtitled in Bulgarian9:08Learn to use the 13th-century astrolabeTom WujecTranslated by Peter KolevReviewed by Nickolette Stephanova
Subtitled in Bulgarian16:18How I became an activistOry OkollohTranslated by Peter KolevReviewed by Nickolette Stephanova
Subtitled in Bulgarian16:59I believe we evolved from aquatic apesElaine MorganTranslated by Peter KolevReviewed by Denitsa Aleksandrova
Subtitled in Bulgarian23:203 clues to understanding your brainVS RamachandranTranslated by Peter KolevReviewed by MaYoMo com
