why we sleep- https://www.youtube.com/watch?v=2RcJyVLOjYM Pyramids mystery- https://www.youtube.com/watch?v=CLN53lEdRyQ हमेशा जिन्दा कैसे रहे? - https://www.youtube.com/watch?v=-xIkKPj0178 Science is constantly trying to find the answers to the mysteries of life. Most of the time, it’s quite successful. But there are still questions that science has not found the answer to. Check out these simple questions that science has yet to answer. #science #technology ---------------------------------------------------------------------- Instagram- https://www.instagram.com/amritpal_singh_bwt/?hl=en Facebook- https://www.facebook.com/Bakchodiwalatech/ Blog- http://bakchodiwalatech.blogspot.in/ Twitter- https://twitter.com/BCwalaTech Email- ammymalhi63@gmail.com ------------------------------------------------------------------------- Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.786