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The Fermi Paradox — Where Are All The Aliens? (1/2)

The Fermi Paradox — Where Are All The Aliens? (1/2)

The universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don't we see any ...
Atoms As Big As Mountains — Neutron Stars Explained

Atoms As Big As Mountains — Neutron Stars Explained

Neutron Stars are some of the strangest things in the Universe. Not quite massive enough to become black holes they are basically atoms as big as mountains ...
Can you solve the bridge riddle? - Alex Gendler

Can you solve the bridge riddle? - Alex Gendler

View full lesson: https://ed.ted.com/lessons/can-you-solve-the-bridge-riddle-alex-gendler Want more? Try the buried treasure riddle: ...
What would happen if you didn’t sleep? - Claudia Aguirre

What would happen if you didn’t sleep? - Claudia Aguirre

View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-sleep-claudia-aguirre In the United States, it's estimated that 30 percent of adults ...
The Fermi Paradox II — Solutions and Ideas – Where Are All The Aliens?

The Fermi Paradox II — Solutions and Ideas – Where Are All The Aliens?

Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient ...
The myth of Prometheus - Iseult Gillespie

The myth of Prometheus - Iseult Gillespie

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-prometheus-iseult-gillespie Before the ...
How to practice effectively...for just about anything - Annie Bosler and Don Greene

How to practice effectively...for just about anything - Annie Bosler and Don Greene

View full lesson: http://ed.ted.com/lessons/how-to-practice-effectively-for-just-about-anything-annie-bosler-and-don-greene Mastering any physical skill takes ...
Optimistic Nihilism

Optimistic Nihilism

The philosophy of Kurzgesagt. Support us on Patreon so we can make more videos (and get cool stuff in return): https://www.patreon.com/Kurzgesagt?ty=h ...
The Egyptian Book of the Dead: A guidebook for the underworld - Tejal Gala

The Egyptian Book of the Dead: A guidebook for the underworld - Tejal Gala

View full lesson: http://ed.ted.com/lessons/the-egyptian-book-of-the-dead-tejal-gala Ancient Egyptians believed that in order to become immortal after death, ...
Why don't perpetual motion machines ever work? - Netta Schramm

Why don't perpetual motion machines ever work? - Netta Schramm

Check out our Patreon page: https://www.patreon.com/teded View full lesson: ...