0:00:00.000,0:00:03.610 Did you guys know that chickens[br]are made out of magic? 0:00:03.798,0:00:05.398 (Music) 0:00:06.968,0:00:07.856 Hey guys! 0:00:07.856,0:00:09.906 So, is a Mercedes-Benz[br]like a chicken 0:00:09.906,0:00:12.550 or is a chicken like a Mercades-Benz? 0:00:12.699,0:00:13.796 Confused? 0:00:13.796,0:00:14.912 Watch this. 0:00:15.162,0:00:16.117 (Music) 0:00:23.572,0:00:25.612 Its a new Mercedes-Benz ad 0:00:25.622,0:00:28.542 which features a new stabilization system 0:00:28.542,0:00:30.708 as advanced as a chicken's head. 0:00:30.718,0:00:34.681 These chickens are demonstrating[br]their vestibulo-ocular reflex 0:00:34.681,0:00:36.563 It's the ability that chickens use 0:00:36.563,0:00:39.408 to stabilize their vision[br]while their body moves. 0:00:39.963,0:00:41.333 Allow me to demonstrate. 0:00:41.333,0:00:42.663 Stare at this eye 0:00:42.663,0:00:44.804 while moving your head around in circles 0:00:44.804,0:00:46.315 like a crazy person. 0:00:46.337,0:00:47.502 What did you notice? 0:00:47.552,0:00:49.454 While your head moves every which way, 0:00:49.454,0:00:52.346 your eyes stayed[br]in relatively the same position. 0:00:52.407,0:00:54.483 This is how we stabilize our eyes 0:00:54.483,0:00:56.478 in order to process an image. 0:00:56.548,0:00:58.423 Light shines through our pupil 0:00:58.423,0:01:00.798 into the retina in the back of our eye, 0:01:00.798,0:01:02.808 creating a retinal image. 0:01:02.988,0:01:04.943 If our eyes move too quickly, 0:01:04.943,0:01:06.940 we do not give ourself[br]enough time 0:01:06.940,0:01:08.695 to process the retinal image, 0:01:08.755,0:01:10.905 therefore, giving us blurry vision. 0:01:10.955,0:01:12.479 We stabilize our vision 0:01:12.479,0:01:14.522 through maintaining our eye position 0:01:14.522,0:01:16.715 and chickens stabilize their vision 0:01:16.715,0:01:19.148 through maintaining their head position. 0:01:19.148,0:01:22.010 Chickens don't have the same[br]ocular motor control as us. 0:01:22.114,0:01:26.111 So, they have evolved the muscles[br]in their neck and their head 0:01:26.179,0:01:28.118 to stabilize what they see. 0:01:28.178,0:01:30.572 Not only do birds have stabilized heads, 0:01:30.572,0:01:33.645 but other animals do too, like cats. 0:01:33.687,0:01:35.167 It just doesn't look as cool 0:01:35.167,0:01:36.382 when you move them around, 0:01:36.382,0:01:38.593 because chickens have that long neck! 0:01:38.593,0:01:41.197 Allright, well, I'll see[br]you, hairy mammals, tomorrow. 0:01:41.204,0:01:43.926 Be sure to check out [br]the other episodes over here, 0:01:43.966,0:01:46.049 and don't forget to subscribe! 0:01:46.096,0:01:47.196 Ill see ya! 0:01:47.276,0:01:48.443 Bye!!! 0:01:48.763,0:01:51.398 I want to know [br]what your favorite animal eye is. 0:01:51.468,0:01:53.647 Mine is the chameleon.