Why exploring space matters | Stephen Hawking | TEDxLondon
19:06
Why We Go -- Leaving Our Beautiful Home and Exploring Outer Space: Will Pomerantz at TEDxPCC
17:59
Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy
15:01
Have you ever imagined how interstellar travel could work? | Ryan Weed | TEDxDanubia
17:58
Mars'ta keşif ve kolonileşme: Neden Mars? Neden insanlar? |Dr. Joel Levine |TEDxRVA
20:16
YENİ DÜNYA BECERİLERİ | Sinan Canan | TEDxAtapark
20:10
The Unusual Earth Orbit Circling Above Our Ancient Past | Roger G. Gilbertson | TEDxColoradoSprings
18:01
Tinnitus: Ringing in the Brain | Josef Rauschecker | TEDxCharlottesville
9:30