Why the first humans had their brains growing quickly?

What had caused brain evolution in primitive humans? This video is for both kids and adults, school students and professors. The combination of “scientific“, “easy-to-understand“, and “spectacular“ is something that we love. A must-watch! Script: Stanislav Drobyshevskiy () Drawing and video editing: Yury Shiryaev ( ) Background music selection: Irina Shiryaeva Translation and voiceover: Eduard Trofimov #evolution #brain #human ======================= (c) Subscribe to our channel: To back the author: Become a Patron: Contact E-mail: g_souris@ Skype: ya-kudzo