Knowledge media
TED / TED-Ed β spreading ideas, usually in the form of short, powerful talks
Curiosity β hundreds of thousands of quality videos for your interests
Investopedia β largest financial education website in the world
Open Culture β compendium of free learning resources
HowStuffWorks β explains thousands of topics, from ESP to lock-picking
Popular Science β magazine on current science and technology
AEON β profound and provocative thinking for the web
The Atlantic β We know itβs a curveballβ¦ but itβs awesome!
Book of Life β for the most substantial things in your life
Matter β Award winning publishing platform and studio for storytellers
Blogs
Wait But Why β a stick-figure-illustrated blog about almost everything
Brain Pickings β an inventory of cross-disciplinary interestingness
Backreactions β theoretical physicist on recent news in physics
You Are Not So Smart β an attack on common misconceptions we all have
Hello Internet β Brady Haran and CGP Grey discuss. Itβs worth listening.
Whizzpast β a very impressive history blog read
Barking up the wrong tree βscience-based insights on how to get ahead
20 Minute VC β Want to get funding or begin a career in VC? Start here!
Engaging tools
Kahoot β engage with learning games, made from multiple choice questions
Lumosity β challenge your cognitive abilities with scientific brain games
Memrise β learning languages and vocabulary, made joyful
Macat β Platform for developing critical thinking
Duolingo β get your language education for free
Degreed β the lifelong learning platform, aggregating everything you do
Communities
Quora β connecting people who have knowledge to the people who need it
Socratic βAnswers and content from a huge community of teachers
Declara β discover, collect, and share knowledge with like-minded people
Stack Exchange β expert Q&A communities, including Stack Overflow
Zooniverse β worldβs largest platform for people-powered research
Instructables β user-created and uploaded do-it-yourself projects
Academia β Share and discover academic papers on all topics
Course platforms
Coursera β getting you access to the worldβs greatest education
Highbrow β 5-minute courses brought to your inbox every day
Udemy β follow courses on yoga to photographyβand much, much more
FutureLearn β go through courses from universities and cultural institutions
MIT OpenCourseWare β virtually all MIT course content
Udacity β acquire skills through series of courses and hands-on projects
edX β access high quality education, including from MIT & Harvard
Codeacademy β learn to code interactively, for free
Khan Academy β work on the skills you choose at your own pace
Academic Earth β free college courses and ongoing series of original videos
Chesscademy β free online lessons for those keen to play chess
How to start a startup β The best one-stop-shop for entrepreneurs