Nelly;

YouTube is a free university.

Here are 10 channels that teach you new skills: 

1. Big Think

established in 2007 by Victoria Brown and Peter Hopkins, Big Think is a premier destination for educational content designed to be both expert-informed and applicable. 

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2. CrashCourse

offers top-quality educational videos covering many topics like organic chemistry, literature, history, biology, philosophy, theater, and ecology. 

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3. Practical Engineering

hosted by Grady Hillhouse, dives into the world of man-made structures and systems. 

4. Mark Rober

Previously an engineer for NASA and Apple, Rober shares science lessons through imaginative and entertaining videos on his channel. 

5. Numberphile

an educational channel with videos covering a wide range of mathematical topics. 

6. Skillshare

A digital platform where creators come to learn and grow. Their mission is to make learning accessible to everyone, everywhere. 

7. Stanford Graduate School of Business

this channel shares insights and ideas from top professors and distinguished guest speakers. 

8. Talks at Google

features leading minds - creators, innovators, and changemakers sharing insights into their work, lives, and the passions that fuel their impact on the world. 

9. Vsauce

Michael Stevens runs this channel where you’ll find videos about everything from science and philosophy to tech, games, and pop culture. 

10. Y Combinator

a startup accelerator that helps early-stage companies grow by offering funding, mentorship, and access to a global network of founders and investors.