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