There are a number of channels on Youtube dedicated to providing highly informative video on a wide range of educational subjects. It came to my attention awhile back that these channels largely work together in there topic coverage to create new content that is not then duplicated by others. They even gave themselves a name. Youtube University. Some of these channels are: Veritasium-1 https://www.youtube.com/channel/UCHnyfMqiRRG1u-2MsSQLbXA Veritasium-2 https://www.youtube.com/channel/UC2LZO6swZ9SLUEOks3WnsfA AsapSCIENCE https://www.youtube.com/channel/UCC552Sd-3nyi_tk2BudLUzA C. G. P. Grey https://www.youtube.com/channel/UC2C_jShtL725hvbm1arSV9w Crash Course https://www.youtube.com/channel/UCX6b17PVsYBQ0ip5gyeme-Q Mental Floss https://www.youtube.com/channel/UCpZ5qUqpW4hW4zdfuBxMSJA MinuteEarth https://www.youtube.com/channel/UCeiYXex_fwgYDonaTcSIk6w MinutePhysics https://www.youtube.com/channel/UCUHW94eEFW7hkUMVaZz4eDg Numberphile https://www.youtube.com/channel/UCoxcjq-8xIDTYp3uz647V5A Periodic Videos https://www.youtube.com/channel/UCtESv1e7ntJaLJYKIO1FoYw SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow Sixty Symbols https://www.youtube.com/channel/UCvBqzzvUBLCs8Y7Axb-jZew TED-ED https://www.youtube.com/channel/UCsooa4yRKGN_zEE8iknghZA (note TED has 5 channels all worth checking out as they are a private thinktank that gets professionals the world over to give public lectures.) Vihart https://www.youtube.com/channel/UCOGeU-1Fig3rrDjhm9Zs_wg Vsauce https://www.youtube.com/channel/UC6nSFpj9HTCZ5t-N3Rm3-HA (note Vsauce has 3 channels all covering a variety of topics, some just factoid) I will share some of the more interesting videos i find with you all, but i encourage you to check out these channels. (when you have a spare day or 3)