Is the house of history built on foundations of sand? | Graham Hancock | TEDxReading
19:14
The Medicine of Frequencies. What did Einstein mean? | Dr. Mitchell Abrams | TEDxTrinityBellwoods
20:10
The Unusual Earth Orbit Circling Above Our Ancient Past | Roger G. Gilbertson | TEDxColoradoSprings
17:07
What is Goebekli Tepe | Klaus Schmidt | TEDxPrague
17:42
A Theory You've Never Heard Of | Michael Robinson | TEDxUniversityofHartford
24:15
The Fourth Phase of Water: Dr. Gerald Pollack at TEDxGuelphU
22:14
Crows, smarter than you think | John Marzluff | TEDxRainier
12:52
Why an ancient Mesopotamian tablet is key to our future learning | Tiffany Jenkins | TEDxSquareMile
17:58