1 00:00:00,000 --> 00:00:01,380 Did you guys know that 2 00:00:01,380 --> 00:00:03,182 chickens are made out of magic? 3 00:00:03,348 --> 00:00:06,968 (intro music) 4 00:00:06,968 --> 00:00:09,806 Hey guys! So is a Mercedes-Benz like a chicken? 5 00:00:09,806 --> 00:00:12,346 or is a chicken like a Mercades-Benz? 6 00:00:12,699 --> 00:00:13,701 Confused? 7 00:00:13,701 --> 00:00:14,792 Watch this. 8 00:00:14,792 --> 00:00:23,307 (music) 9 00:00:23,572 --> 00:00:25,522 Its a new Mercedes-Benz ad 10 00:00:25,522 --> 00:00:28,368 which features a new stabilization system 11 00:00:28,368 --> 00:00:30,598 as advanced as a chicken's head. 12 00:00:30,598 --> 00:00:32,652 These chickens are demonstrating their 13 00:00:32,652 --> 00:00:34,497 Vestibulo-ocular reflex 14 00:00:34,497 --> 00:00:36,438 It's the ability that chickens use 15 00:00:36,438 --> 00:00:38,578 to stabilize their vision while their 16 00:00:38,578 --> 00:00:39,671 body moves! 17 00:00:39,963 --> 00:00:41,273 Allow me to demonstrate. 18 00:00:41,273 --> 00:00:42,663 Stare at this eye while 19 00:00:42,663 --> 00:00:44,804 moving your head around in circles 20 00:00:44,804 --> 00:00:46,177 like a crazy person. 21 00:00:46,177 --> 00:00:47,502 What did you notice? 22 00:00:47,502 --> 00:00:49,325 While your head moves every which way, 23 00:00:49,325 --> 00:00:51,233 your eyes stayed in relatively 24 00:00:51,233 --> 00:00:52,357 the same position. 25 00:00:52,357 --> 00:00:54,483 this is how we stabilize our eyes 26 00:00:54,483 --> 00:00:56,478 in order to process an image. 27 00:00:56,478 --> 00:00:58,423 light shines through our pupil 28 00:00:58,423 --> 00:01:00,798 into the retina in the back of our eye. 29 00:01:00,798 --> 00:01:02,648 creating a retinal image. 30 00:01:02,648 --> 00:01:04,863 If our eyes move too quickly, 31 00:01:04,863 --> 00:01:07,142 we do not give our eyes enough time to 32 00:01:07,142 --> 00:01:08,695 process the retinal image. 33 00:01:08,695 --> 00:01:10,905 Therefore, giving us blurry vision. 34 00:01:10,905 --> 00:01:13,489 We stabilize our vision through maintaining 35 00:01:13,489 --> 00:01:14,522 our eye position 36 00:01:14,522 --> 00:01:16,715 and chickens stabilize their vision 37 00:01:16,715 --> 00:01:19,148 through maintaining their head position. 38 00:01:19,148 --> 00:01:20,334 chickens don't have the same 39 00:01:20,334 --> 00:01:21,904 ocular motor control as us 40 00:01:21,904 --> 00:01:24,221 so, they have evolved the muscles 41 00:01:24,221 --> 00:01:26,299 in their neck and their head 42 00:01:26,299 --> 00:01:28,200 to stabalize what they see. 43 00:01:28,200 --> 00:01:30,572 Not only do birds have stabilized heads, 44 00:01:30,572 --> 00:01:33,395 but other animals do too, like cats. 45 00:01:33,687 --> 00:01:36,167 It just doesn't look as cool when you move them around 46 00:01:36,167 --> 00:01:38,632 cause chickens have that long neck! 47 00:01:38,632 --> 00:01:39,687 Alright, well I'll see you 48 00:01:39,687 --> 00:01:41,204 hairy mammals tomorrow. 49 00:01:41,204 --> 00:01:42,526 Be sure to check out the other 50 00:01:42,526 --> 00:01:43,966 episodes over here, 51 00:01:43,966 --> 00:01:46,096 and don't forget to subscribe! 52 00:01:46,096 --> 00:01:46,906 Ill see ya! 53 00:01:46,906 --> 00:01:48,443 Byeeee 54 00:01:48,763 --> 00:01:50,318 I wanna know what your favorite 55 00:01:50,318 --> 00:01:51,468 animal eye is! 56 00:01:51,468 --> 00:01:53,127 Mine is the chameleon. 57 00:01:55,547 --> 00:01:59,000 (foot steps)