A collection of people explaining complicated things really REALLY well!
Math
- How big is infinity? (Numberphile)
Science
- What is a species? (Quanta)
- What is the Fermi Paradox? (Kurzgesagt)
- What is the Fermi Paradox? (WaitButWhy)
- What is Super Intelligence? (WaitButWhy)
- What is a Space Elevator (and why would it be so great?) (Kurzgesagt)