Why We are Alone in the Galaxy | Marc Defant | TEDxUSF

The Unusual Earth Orbit Circling Above Our Ancient Past | Roger G. Gilbertson | TEDxColoradoSprings

The Third Story of the Universe | Brian Swimme | TEDxBerkeley

Fermi's Paradox and the Psychology of Galactic Empires | Matthew O´Dowd | TEDxTUWien

Have you ever imagined how interstellar travel could work? | Ryan Weed | TEDxDanubia

5 steps to designing the life you want | Bill Burnett | TEDxStanford

How To Eliminate Self Doubt Forever & The Power of Your Unconscious Mind | Peter Sage | TEDxPatras

Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy

Your brain on music | Alan Harvey | TEDxPerth

Cosmology and the arrow of time: Sean Carroll at TEDxCaltech

Why do we ask questions? Michael "Vsauce" Stevens at TEDxVienna

The first 20 hours -- how to learn anything | Josh Kaufman | TEDxCSU

Are We Alone? | Ellen Stofan | TEDxBinghamtonUniversity

Where Are All The Aliens? | Tim O'Brien | TEDxOldham

Putting Yourself Out There | Lori Granito | TEDxLingnanUniversity

How not to take things personally? | Frederik Imbo | TEDxMechelen

La vida está al otro lado del miedo | Miguel Angel Tobías & Gennet Corcuera | TEDxSevilla

How AI Immersive Learning Reshapes Education and Work | Patrick Lynch | TEDxHult Boston

Extraterrestrials - Why They're Almost Certainly Out There... | Chris Crowe | TEDxJohnLyonSchool

How to learn any language in six months | Chris Lonsdale | TEDxLingnanUniversity

Self Worth Theory: The Key to Understanding & Overcoming Procrastination | Nic Voge | TEDxPrincetonU