Theorists suggest that the iconic religious symbol of the cosmic egg demonstrates that human ancestors possessed a knowledge of the DNA double-helix spiral and human biological coding.

David Childress, David Wilcock, Deepak Shimkhada, Dominic Steavu, Erich von Däniken, Giorgio A. Tsoukalos, Heather Berlin, Jason Martell, Jonathan Young, Linda Moulton Howe, Nick Redfern, Peter Daughtrey, Peter Ward, Richard 'Ric' Rader, Sabina Magliocco, William Henry