RNA may have been the origin of life on Earth. Go on a whirlwind tour of RNA's evolving role through billions of years of evolutionary history.

Play the RNA Lab: http://www.pbs.org/wgbh/nova/labs/lab/rna/

Find discussion questions for this video and other resources in the RNA Lab collection on PBS LearningMedia: http://www.pbslearningmedia.org/resource/nvra.sci.origin/the-rna-origin-of-life/

CREDITS

Writer/Director/Producer Alex Rosenthal

2-D Animator Qa'ed Mai

Narrator George Zaidan

Music Scorekeepers Music Library

Freesound.org SFX 103605 waves at the dock by floating tree 110393 water splash by soundscalpel.com 195616 footsteps dirt by xDimebagx 144265 impact misc tools 0004 by D W 164283 book-drop by --Bender-- 209583 oven mitt impact by Zott820 181774 ustling paper by keweldog 202021 bulldozer small cu by Geldart 136291 flipping through page 2 by SamerMM 82377 paper flip 1 by gynation