TED talk by Shermer on apparitions and Led Zeppelin

Here is a short (about 13min) TED talk by Michael Shermer from couple of years ago. It is a quick, fun talk and 3quarksdaily recently reminded me of that. Probably much of it would be familiar to you - but the segment with Zeppelin's Stairway to Heaven is pretty neat. Also check out the ending with Katie Melua's song Nine Million Bicycles. I didn't know the song - but it is very cool that she modified her lyrics (you should check this out yourself). Here is the talk: