directives -> language-version <1.1>, namespace ; biology and medicine -> Curious Archive [https://www.youtube.com/channel/UCweDKPSF65wRw5VHFUJYiow] , // Speculative biology Drbeen Medical Lectures [https://www.youtube.com/user/USMLEOnline] , GeneaVlogger [https://www.youtube.com/channel/UCm_QNoNtgi2Sk4H9Y2SInmg] , Medicosis Perfectionalis [https://www.youtube.com/channel/UCl-J-ovSJhA3or73Q2uVpow] , Medlife Crisis [https://www.youtube.com/channel/UCgRBRE1DUP2w7HTH9j_L4OQ] , Institute of Human Anatomy [https://www.youtube.com/channel/UCgBg0aacyJnw4qUnb1FlfEQ] , TREY the Explainer [https://www.youtube.com/user/GamerCreator12345] , Moth Light Media [https://www.youtube.com/channel/UCOh5Ht3eB4914hMUfJkKa9g] <9CatMSKh>, Arthrex [https://www.youtube.com/user/OrthoIllustrated] , Osmosis [https://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ] , TierZoo [https://www.youtube.com/channel/UCHsRtomD4twRf5WVHHk-cMw] , Shomu's Biology [https://www.youtube.com/user/TheFunsuman] ;