1 00:00:10,600 --> 00:00:14,256 -Well, there is a myth that says that if you're on a ship when it's sinking, 2 00:00:14,281 --> 00:00:16,081 it will suck you down with it 3 00:00:16,127 --> 00:00:18,821 -You're telling me that this thing, when it goes down, 4 00:00:18,835 --> 00:00:21,812 I'm going to go down with it because it's going to suck me down 5 00:00:21,881 --> 00:00:22,638 -Yeah 6 00:00:22,638 --> 00:00:26,011 -So, what are the prevealing theories behind the boat sucking me down? 7 00:00:26,011 --> 00:00:29,785 -Well, apparently there are three and the first one is that air 8 00:00:29,795 --> 00:00:33,213 that mixes in with the water as it rushes up from the boat 9 00:00:33,527 --> 00:00:36,621 makes the water less dense so it's like you're going to fall 10 00:00:36,637 --> 00:00:38,757 through the water quicker that way 11 00:00:38,907 --> 00:00:43,921 Uh, the second theory is that the cavities in the ship will create an area for 12 00:00:43,921 --> 00:00:47,686 the water ​to rush in and that'll pull you into the ship and then 13 00:00:47,686 --> 00:00:52,053 the third one is that the ship moving through the water rapidly towards 14 00:00:52,053 --> 00:00:56,548 the bottom will create a vortex above it kind of like drafting behind a truck when 15 00:00:56,548 --> 00:00:58,248 it's on a highway 16 00:00:58,330 --> 00:01:01,710 -You know, all these theories seem to me simple enough to actually test 17 00:01:01,710 --> 00:01:05,678 on the shop. I think I could build a small water rig with a bubbler and some weights 18 00:01:05,678 --> 00:01:10,048 some small boats and we could see all three these theories right by the shop 19 00:01:10,545 --> 00:01:14,207 -Yeah, but, you know, I still think that we need a real boat. 20 00:01:14,207 --> 00:01:17,087 People ain't going to get it unless we do it with a real boat 21 00:01:17,087 --> 00:01:18,217 (music) 22 00:01:18,402 --> 00:01:23,312 -Until they find a suitable boat, Adam sets out to test the vortex 23 00:01:23,312 --> 00:01:26,483 and bubble density theories on a small scale 24 00:01:26,483 --> 00:01:30,263 -Well, what I made is a miniature bubbling rig and we are trying to show whether 25 00:01:30,263 --> 00:01:34,213 or not the ship produces a lot of bubbles and the bubbles lower the density of water 26 00:01:34,213 --> 00:01:38,642 people sink whereas normally they'd float or whether it creates a vortex that 27 00:01:38,642 --> 00:01:40,383 pulls things in after it. 28 00:01:40,426 --> 00:01:44,856 This would be the Titanic, this is a lead weight, it's pretty darn heavy 29 00:01:44,955 --> 00:01:48,195 and let's say that is our person right there 30 00:01:48,195 --> 00:01:50,185 We are ready 31 00:01:55,275 --> 00:01:57,693 Squat, nothing 32 00:01:57,825 --> 00:02:04,135 -To make this work, Adam has to rethink his ratios of weight, density and buoyancy 33 00:02:04,485 --> 00:02:06,215 (music) 34 00:02:06,435 --> 00:02:10,435 -Adam is building a rig four feet square by ten feet high. 35 00:02:11,025 --> 00:02:15,975 They'll then attach an electric winch and guided wires to hold a special box 36 00:02:15,975 --> 00:02:19,315 that will simulate the action of a sinking boat 37 00:02:22,265 --> 00:02:26,607 -So right now I'm actually just finishing up the PVC matrix that will be 38 00:02:26,607 --> 00:02:34,238 our bubbler and hopefully it'll provide us with a really attractive stream of bubbles 39 00:02:34,861 --> 00:02:39,241 Then I'm going to make a panel for the top of this box which has a hole on it 40 00:02:39,241 --> 00:02:42,912 so that not only can we test what happens when you drop a weight in water but 41 00:02:42,912 --> 00:02:46,602 when you drop a weight with an air gap in it we can see what happens 42 00:02:46,641 --> 00:02:49,340 We are going to fill this with 25 pound barbell weights 43 00:02:49,340 --> 00:02:55,288 -Encinal High School in Alameda agrees to host a Mythbusters midsize experiment 44 00:02:56,290 --> 00:03:01,223 The school's diving pool at 12 feet deep is ideal for the new rig 45 00:03:01,223 --> 00:03:03,009 -Oh, it's a beautiful story 46 00:03:03,009 --> 00:03:08,093 -The plan is to see what specific forces are in play when a ship sinks 47 00:03:09,613 --> 00:03:12,714 -At this point I really don't know what is gonna happen with this 48 00:03:12,714 --> 00:03:18,557 You know, my impression is that if you're floating above a boat as it's going down, 49 00:03:18,557 --> 00:03:20,402 it's not really going to pull you down 50 00:03:20,402 --> 00:03:24,972 -Jamie's pessimistic about the vortex theory but he's open to the bubbles 51 00:03:24,972 --> 00:03:28,472 creating lower density. -I don't know if it's going to blow you up 52 00:03:28,472 --> 00:03:32,472 because of all the bubbles going up or whether the bubbles will make the water 53 00:03:32,472 --> 00:03:37,362 in that area less dense will make you go down. It'll be interesting to see 54 00:03:39,058 --> 00:03:40,838 This is lead shot 55 00:03:40,838 --> 00:03:45,498 -Water densitity is the key so they've made a hydrometer, a simple 56 00:03:45,498 --> 00:03:50,501 flotation device that measures the specific gravity or density of a liquid 57 00:03:50,651 --> 00:03:55,588 -We'll see how much the density of the water changes by how far this goes up 58 00:03:55,588 --> 00:04:00,158 and down when the water's aerated. That's perfect 59 00:04:00,978 --> 00:04:06,208 -Experiment one: the bubble test -A compressor will supply air 60 00:04:06,208 --> 00:04:10,788 to Adam's PVC bubble matrix. - Okay, I'm going. 61 00:04:10,788 --> 00:04:14,988 -Alright, I'm going to watch it Oh, that looks cool from here 62 00:04:15,914 --> 00:04:18,744 (laughter) 63 00:04:20,559 --> 00:04:24,559 -It looks like it's going down, yes -Oh, way down 64 00:04:24,923 --> 00:04:30,443 -Okay, is out of the... looks like someone is gonna have to get their swim trunks on 65 00:04:30,684 --> 00:04:35,784 -And that's all the encouragement Adam needed on a warm California day 66 00:04:35,784 --> 00:04:37,980 -Can we blur out the love handles? -No! 67 00:04:37,980 --> 00:04:41,784 -Be nice to me alright -Happy with the bubble effect, 68 00:04:41,784 --> 00:04:46,510 their first weight test should determine if volume makes it easier to be dragged 69 00:04:46,510 --> 00:04:48,191 down 70 00:04:48,206 --> 00:04:53,014 So to get a closer simulation of a sinking boat the box is positioned on 71 00:04:53,014 --> 00:04:58,324 the surface and loaded with 200 pounds. They hope the inrush of water 72 00:04:58,324 --> 00:05:02,044 to the empty box will drive the vortex effect 73 00:05:04,164 --> 00:05:06,584 -Good, go! 74 00:05:13,333 --> 00:05:14,913 -Wow 75 00:05:14,913 --> 00:05:17,894 -I pulled it down -That was intense 76 00:05:18,223 --> 00:05:21,575 I didn't realize the result would be so marked 77 00:05:21,575 --> 00:05:25,235 When I'm in the water as the weight releases I can definitely feel it pushing 78 00:05:25,235 --> 00:05:29,265 this cushion of water out around it as it's plummeting and I'll tell you 79 00:05:29,265 --> 00:05:32,845 straight up based in what I see here you'll definitely get sucked down 80 00:05:32,845 --> 00:05:37,105 and I think the bigger the object, the bigger the suck 81 00:05:37,430 --> 00:05:40,354 -They increased the box weight to 300 pounds. 82 00:05:40,354 --> 00:05:43,970 -Alright, hydrometer is ready -Okay, going 83 00:05:43,970 --> 00:05:44,870 -Go 84 00:05:51,461 --> 00:05:54,301 -Nice sound -Yeah! 85 00:05:54,910 --> 00:05:57,350 -Where's the hydrometer? (laughter) 86 00:05:57,350 --> 00:05:59,707 -There it is! (laughter) 87 00:06:01,679 --> 00:06:05,049 -That pretty much says it -Wow! I mean it went all the way 88 00:06:05,049 --> 00:06:07,299 to the bottom and hanged up there for a while 89 00:06:07,299 --> 00:06:11,849 -Once again, the box filled rapidly, drop like a stone and pulled 90 00:06:11,849 --> 00:06:13,767 the hydrometer down entirely 91 00:06:13,767 --> 00:06:19,217 -Hold on, hold on -Now it's Adam's turn to ride the vortex 92 00:06:26,534 --> 00:06:32,675 -Okay, auch first of all, second of all you can feel youself in the vortex 93 00:06:32,675 --> 00:06:36,675 as you're going down, I mean I didn't separate from the box at all, 94 00:06:37,264 --> 00:06:41,544 my buoyancy had no bearing on the matter I just sunk right with it until 95 00:06:41,544 --> 00:06:44,292 I hit the bottom. That was intense! 96 00:06:44,761 --> 00:06:49,022 -The pool testing is done and Adam's up for the real thing 97 00:06:49,312 --> 00:06:51,342 (music) 98 00:06:52,128 --> 00:06:56,449 Meanwhile the search for the ideal sinkable boat begins among 99 00:06:56,449 --> 00:07:00,449 the Marina's of embarcadero cove in Oakland, California 100 00:07:00,887 --> 00:07:05,817 This hunt won't be easy, the boat they need must sink effortlessly 101 00:07:06,276 --> 00:07:09,166 Any vessel too buoyant will be a problem 102 00:07:09,713 --> 00:07:14,613 -Boat was a piece of junk which doesn't make me feel too bad about sinking it 103 00:07:14,978 --> 00:07:18,773 For a boat this size it's actually got a fair amount of volume 104 00:07:18,773 --> 00:07:22,546 which it's what we need. It'd be a perfect boat for us except for the fact 105 00:07:22,546 --> 00:07:25,384 it's wood and I don't think is going to go down too quick 106 00:07:25,384 --> 00:07:30,094 because wood tipically floats. We are looking for the largest boat 107 00:07:30,094 --> 00:07:35,244 that we can afford to sink quickly and that by my mind would have to be 108 00:07:35,244 --> 00:07:36,716 a steel boat 109 00:07:36,818 --> 00:07:42,668 -A heavy steel tugboat catches their eye but it quickly becomes obvious that this 110 00:07:42,668 --> 00:07:47,138 old hulk is way beyond their needs. -I think this boat is so perfect for our 111 00:07:47,138 --> 00:07:50,178 Titanic rig that it'd make me cry if we were able to get it 112 00:07:50,432 --> 00:07:54,132 It does however look like quite a deal to make it go 113 00:07:55,102 --> 00:08:00,032 -Two boats have already been rejected as unsuitable but after some 114 00:08:00,032 --> 00:08:04,032 good detective work they find a very likely candidate. 115 00:08:04,032 --> 00:08:08,710 Another old tug but at nine tons this one is more suitable 116 00:08:08,948 --> 00:08:14,924 Adam won't be using a scuba so in case of emergency he has to learn to breath 117 00:08:14,924 --> 00:08:18,564 from another diver's regulator. -I've been waiting half my life to see 118 00:08:18,564 --> 00:08:22,564 what it feels like to breath underwater and that's like really cool so 119 00:08:22,564 --> 00:08:26,244 I'm dying to be on that boat when it goes down like I'm psyched to done that 120 00:08:26,244 --> 00:08:28,174 like I can't wait. 121 00:08:29,739 --> 00:08:34,639 -It's test day and Adam is excited enough to be up before dawn. 122 00:08:35,650 --> 00:08:38,670 -Good morning, good morning (laughts) 123 00:08:38,670 --> 00:08:42,220 Well everyone else crapped out I think we're the only one who's taking 124 00:08:42,220 --> 00:08:47,500 the journey across the bay to deliver our little tugboat right here. 125 00:08:48,817 --> 00:08:53,014 It's really nice to be on the bay at dawn as the sun comes up, it's quite beautiful 126 00:08:53,416 --> 00:08:58,096 uh, and our little tug, Mythtanic, it's handling the trip just fine 127 00:08:58,366 --> 00:09:00,217 should be ready to sink 128 00:09:01,153 --> 00:09:05,693 -Across the bay, the San Francisco drydock workers are preparing for this 129 00:09:05,693 --> 00:09:07,566 unusual event. 130 00:09:07,566 --> 00:09:11,306 Their skill will help sink the boat and recover it. 131 00:09:11,566 --> 00:09:13,527 - All my life my dad used to tell me that 132 00:09:13,527 --> 00:09:16,094 if a boat sinks you have to swim away as quick you can 133 00:09:16,094 --> 00:09:17,867 because you'll be sucked down with it 134 00:09:17,867 --> 00:09:23,027 -The tugboat captain, Greg Urban, knows this chilly mirky waters and the dangers 135 00:09:23,027 --> 00:09:23,742 they hold 136 00:09:23,742 --> 00:09:25,719 -I'm very interested in seen what happens 137 00:09:25,719 --> 00:09:27,717 I'm glad it's you that's gonna be standing 138 00:09:27,717 --> 00:09:28,717 on deck and not me so 139 00:09:28,717 --> 00:09:30,803 I think you're gonna get suck down with it 140 00:09:30,803 --> 00:09:34,773 -Despite the predictions, Jamie's still looking on the bright side. 141 00:09:34,989 --> 00:09:39,399 -Well, you know it's a little brisk this morning but at least is warmer 142 00:09:39,399 --> 00:09:42,070 in the water perhaps. (laughter) 143 00:09:42,070 --> 00:09:44,178 -Somehow I don't think so 144 00:09:44,178 --> 00:09:48,676 -With all his underwater expertise, Jamie knows this is risky. 145 00:09:48,765 --> 00:09:54,765 He's enlisted a dive buddy, Shawn Willis, a professional with 13 years experience 146 00:09:54,775 --> 00:09:59,115 -Tough to estimate what the visibility will be like, sometimes currents make it 147 00:09:59,115 --> 00:10:03,245 better with the silty bottom often currents can stir up a little bit worse 148 00:10:03,245 --> 00:10:06,275 so it makes things a little harder, a little bit more dangerous, 149 00:10:06,275 --> 00:10:09,715 a little bit more complicated. (music) 150 00:10:10,435 --> 00:10:14,435 -The tug toes the Mythtanic out to the end of the drydock. 151 00:10:14,470 --> 00:10:18,950 To make salvage as easy as possible, it'll be sunk right under the shadow 152 00:10:18,950 --> 00:10:20,720 of the big crane. 153 00:10:21,699 --> 00:10:23,779 -Swing it out, swing it out. 154 00:10:24,656 --> 00:10:26,476 Swing it out some more. 155 00:10:27,778 --> 00:10:30,658 -The boat is going to sink, we are going to find it. 156 00:10:30,658 --> 00:10:34,188 We are going to hook the cables up to it. We are going to bring it back up. 157 00:10:34,188 --> 00:10:37,818 And we are going to do it again until we get too cold or too tired to do it. 158 00:10:38,205 --> 00:10:41,785 -Hey Adam, just letting you know, we've got fivety feet underneath your boat 159 00:10:41,785 --> 00:10:45,305 right now, fivety feet of water. Very cold water. 160 00:10:48,062 --> 00:10:51,032 -The biggest fear that I've got is Adam's safety, you know? 161 00:10:51,032 --> 00:10:53,862 We don't really know what is going to happen with this boat. 162 00:10:54,476 --> 00:10:59,616 Water is murky, it's cold, it's deep. This is a dangerous stunt that we're doing 163 00:11:00,170 --> 00:11:03,690 And I guess Adam's life is in my hands. 164 00:11:07,506 --> 00:11:11,506 -Adam doesn't wait around as the sea instantly gushes in. 165 00:11:11,591 --> 00:11:14,061 -You're only opening one valve, one valve. 166 00:11:14,735 --> 00:11:18,085 -We've got fivety of water in here right now. 167 00:11:20,481 --> 00:11:24,591 -The main job now is keeping the sinking ship in reach of the crane. 168 00:11:24,591 --> 00:11:27,255 -We are now above of you guys so hold on. 169 00:11:29,451 --> 00:11:33,451 -The tug gives the Mythtanic a gentle nudge into position. 170 00:11:33,968 --> 00:11:37,968 -Two feet, two feet away. Alright you bump it. 171 00:11:40,503 --> 00:11:44,323 Alright it's... it's going down bro, it's going down. 172 00:11:45,642 --> 00:11:51,632 -Surprised by the sea's rapid inflow, Adam bails out early and misses his chance 173 00:11:53,484 --> 00:11:56,796 Time to reflect and rethink the strategy. 174 00:11:56,886 --> 00:11:57,694 (Music) 175 00:11:57,794 --> 00:11:59,647 -Well, we pretty much know where it is. 176 00:11:59,647 --> 00:12:01,595 (Laughter) 177 00:12:02,274 --> 00:12:04,876 -The speed of the sunk was just like "woosh" 178 00:12:04,876 --> 00:12:09,024 I mean, my job, I know, was to stay with the boat and feel the suction. 179 00:12:09,024 --> 00:12:12,802 But I swear to God, standing on there, my body just goes "Move that way!". 180 00:12:12,802 --> 00:12:13,764 (Laughs) 181 00:12:13,764 --> 00:12:15,218 Not that way! 182 00:12:15,218 --> 00:12:18,418 Survival kicked in a critical moment. 183 00:12:21,030 --> 00:12:26,730 -Jamie and Shawn work fourty feet down, in the dark for thirty minutes to reattach 184 00:12:26,730 --> 00:12:28,528 the salvage lines. 185 00:12:28,528 --> 00:12:32,180 Question is: Are they gain for take two? 186 00:12:32,180 --> 00:12:35,830 -Are you insinuating that I might not have the "cojones" to follow through... 187 00:12:35,830 --> 00:12:39,680 -I know you got the "cojones" to do it. I'm only saying... 188 00:12:39,680 --> 00:12:41,476 -Then what was the question? -Alright! 189 00:12:41,476 --> 00:12:44,021 - I don't... I don't really want to, uh... 190 00:12:44,021 --> 00:12:47,648 I don't think that we are going to see anything different that we already saw 191 00:12:47,648 --> 00:12:51,308 with that boat. You know? For us to get in that sweet spot might take us 192 00:12:51,308 --> 00:12:55,318 a half of a dozen tries and all that represents to me as a lot of work. 193 00:12:55,318 --> 00:13:01,358 But if you want to do it again I just, you know, it was hard. 194 00:13:01,358 --> 00:13:02,430 -Yeah. 195 00:13:02,558 --> 00:13:05,781 -It's a difficult decision to scuttle the boat again. 196 00:13:05,781 --> 00:13:09,851 But they need a result. They resolved to do it with the cables 197 00:13:09,851 --> 00:13:11,772 in place, but slackened. 198 00:13:11,772 --> 00:13:15,592 -We've seen what the boat does, it's nothing that scary, um... 199 00:13:15,592 --> 00:13:19,442 I feel pretty good about lowering it on with the cables still attached this time, 200 00:13:19,442 --> 00:13:22,322 because they're so heavy they're just go down into the water. 201 00:13:22,950 --> 00:13:25,108 -Ok, hold on to that back there. 202 00:13:25,108 --> 00:13:29,944 -This will be their last attempt to tackle the old Titanic myth. 203 00:13:31,049 --> 00:13:34,459 Would someone in the water be pull down with the ship? 204 00:13:34,459 --> 00:13:38,078 -You guys watch out for the cables. Don't get tangled up on the cable. 205 00:13:38,470 --> 00:13:40,010 Be careful! 206 00:13:44,417 --> 00:13:48,417 Stay with it, stay there, stay with it. There you go. 207 00:13:50,738 --> 00:13:51,528 -Nope 208 00:13:51,528 --> 00:13:54,458 -Did it suck you down in? (Laughter) 209 00:13:55,738 --> 00:13:58,413 -I didn't see nobody get sucked in. (Laughs) 210 00:14:01,371 --> 00:14:04,121 -No suction. -No suction at all, I mean. 211 00:14:04,648 --> 00:14:08,648 I could not have been more central to the boat when it went down. 212 00:14:08,671 --> 00:14:13,501 I sat on it, the entire boat just dropped underneath me and... 213 00:14:13,578 --> 00:14:16,688 I hit the water, my neck hit the water and I never went any lower. 214 00:14:16,688 --> 00:14:19,126 -And what did I say? -Heck, once again, Hyneman, 215 00:14:19,126 --> 00:14:22,986 you were absolutely right about how the boat sank, so uh... 216 00:14:22,986 --> 00:14:26,489 I say let's get this puppy back up and call it a day, I need a drink. 217 00:14:26,489 --> 00:14:27,599 (Laughter) 218 00:14:29,120 --> 00:14:34,175 -So, no vortex with the Mythtanic but how do they explain the drammatic test 219 00:14:34,175 --> 00:14:35,995 in the swimming pool? 220 00:14:36,203 --> 00:14:42,463 -In our test we used, like, three hundred pounds and it went down really quickly. 221 00:14:42,923 --> 00:14:46,223 A boat is not build like that. It's a lot larger surface area. 222 00:14:46,223 --> 00:14:47,693 It didn't go down that fast. 223 00:14:47,693 --> 00:14:50,697 -We know Jamie, I'm going to go out on the limb here and say.... 224 00:14:50,697 --> 00:14:53,401 There is no effect, that myth is busted. 225 00:14:53,401 --> 00:14:56,707 -Yeah, I agree, you know. I was right there too, I didn't feel it, 226 00:14:56,707 --> 00:15:00,812 I didn't see it, uh, didn't happen. -You know and with all the rigging 227 00:15:00,812 --> 00:15:04,243 and stuff that are on a normal ship, there are some very good reasons 228 00:15:04,243 --> 00:15:06,391 to swim away from a boat that it's going down. 229 00:15:06,391 --> 00:15:09,005 It could pull you down, you get caught in the rigging... 230 00:15:09,005 --> 00:15:12,456 But none of them involve suction and I know our boat wasn't as big as one 231 00:15:12,456 --> 00:15:16,167 of these but with a nine ton boat I think you would have felt something. 232 00:15:16,167 --> 00:15:17,006 - I agree. 233 00:15:18,513 --> 00:15:19,866 Busted 234 00:15:23,020 --> 00:15:25,080 Goldfish memory 235 00:15:25,150 --> 00:15:27,870 -This myth is a pretty laid back one, huh, Jamie? 236 00:15:27,870 --> 00:15:32,300 -Yeah, the myth says that you can put a goldfish in a small bowl and 237 00:15:32,300 --> 00:15:36,300 they are okay with it because they are so stupid that by the time 238 00:15:36,300 --> 00:15:39,797 they make it around the bowl, in like about three seconds, 239 00:15:39,797 --> 00:15:41,448 they just forgot where they were. 240 00:15:41,448 --> 00:15:44,685 -So what we want to really test here is what is the memory span 241 00:15:44,685 --> 00:15:45,911 of the averag​e goldfish. 242 00:15:45,911 --> 00:15:51,259 -What I though we'd do is build a maze and the goldfish will have to be taugh 243 00:15:51,259 --> 00:15:54,329 how to make it through the maze, and if they can remember that... 244 00:15:54,477 --> 00:15:56,967 We'll know a little bit more of how smart they are. 245 00:15:56,967 --> 00:16:00,109 -So what you are talking about is not a goldfish intelligence test 246 00:16:00,109 --> 00:16:03,126 but a Mythbusters intelligence test as well. 247 00:16:03,126 --> 00:16:05,086 -You can look at it that way. 248 00:16:05,211 --> 00:16:07,533 -One that I think I will win. 249 00:16:07,533 --> 00:16:11,583 -So, the guys want to train goldfish to swim through a maze. 250 00:16:11,603 --> 00:16:15,175 -Have you heard of the myth that goldfish only have three seconds of memory? 251 00:16:15,175 --> 00:16:20,175 -Yes, I have. Their brains are pretty small and it's about two percent 252 00:16:20,175 --> 00:16:22,331 of their body weight so you can figure that... 253 00:16:22,331 --> 00:16:24,338 they're not going to have much of a memory. 254 00:16:24,338 --> 00:16:28,411 -Steve, the pet shop guy, has all the fish and all the accesories 255 00:16:28,411 --> 00:16:31,519 that Mythbus​ters need. -I think this is definitely the one for me 256 00:16:31,519 --> 00:16:33,673 Jamie, it's the deepsea diver with the shark. 257 00:16:33,905 --> 00:16:35,425 -This is a thirty eight gallon. 258 00:16:35,425 --> 00:16:38,231 I have the best food for godlfish. 259 00:16:38,231 --> 00:16:40,637 You make sure you have a good water conditioner. 260 00:16:40,705 --> 00:16:43,269 -Those are perfect. What do we need? Ten of those? 261 00:16:43,269 --> 00:16:45,228 -Yeah, five. -Five in each tank? 262 00:16:45,228 --> 00:16:46,068 -Yeah -Okay. 263 00:16:46,068 --> 00:16:53,160 -It's the easiest sale Steve's ever made. Two tanks, ten fish and enough supplies 264 00:16:53,160 --> 00:16:54,866 to feed a whale. 265 00:16:55,576 --> 00:16:57,016 (Music) 266 00:16:57,159 --> 00:17:02,299 Jamie and Adam have given themselves forty five days to train their fish and 267 00:17:02,299 --> 00:17:05,661 bust the myth. They've each got a tank and each 268 00:17:05,661 --> 00:17:10,300 will devise their own training method. The competition is heating up. 269 00:17:10,569 --> 00:17:17,569 -I think that I shall be the best trainer. Purely because of the fact that uh... 270 00:17:18,068 --> 00:17:21,648 training animals requires above all consistency. 271 00:17:22,655 --> 00:17:25,016 Adam is not a very consistent person. 272 00:17:25,212 --> 00:17:26,743 (Laughs) 273 00:17:27,604 --> 00:17:33,464 -Turns out Jamie has another advange. He used to own a pet shop and he knows 274 00:17:33,464 --> 00:17:34,224 his fish. 275 00:17:34,224 --> 00:17:38,039 -In addition to his time in the special forces and being the international whisks 276 00:17:38,039 --> 00:17:41,573 champion and even being a lion owner, Jamie's probably one of only handful 277 00:17:41,573 --> 00:17:44,809 people in the world who's actually trained a goldfish to ring a bell. 278 00:17:44,809 --> 00:17:49,334 I don't have anything like that kind of pedigree with goldfish training regiments. 279 00:17:50,087 --> 00:17:51,581 Oh, look at that! 280 00:17:51,581 --> 00:17:54,891 -I think I'm in fact just going to leave mine totally uncovered. 281 00:17:57,022 --> 00:17:58,739 -Our win. 282 00:17:59,672 --> 00:18:01,802 -I'm going to kick your goldfish ass. 283 00:18:01,832 --> 00:18:02,882 (Laughs) 284 00:18:03,355 --> 00:18:06,669 -Nearly six weeks since the goldfish challenge began. 285 00:18:07,206 --> 00:18:10,948 Today all their hard work will be put to the test. 286 00:18:11,008 --> 00:18:11,792 -Alright. 287 00:18:11,792 --> 00:18:14,668 -Oh look, they see the orange thing. They want to go for it. 288 00:18:15,396 --> 00:18:18,436 -Jamie appears to have science on his side. 289 00:18:18,531 --> 00:18:22,531 Studies have shown that goldfish repeatedly respond to colour 290 00:18:22,589 --> 00:18:23,989 for food rewards. 291 00:18:24,727 --> 00:18:29,349 -Time is starting now. -They're off and racing. 292 00:18:29,502 --> 00:18:32,672 -Hey guys! Here's your food. 293 00:18:33,082 --> 00:18:35,553 -Come on boys, there you go. 294 00:18:35,678 --> 00:18:36,638 (Music) 295 00:18:36,864 --> 00:18:39,711 - Jamie's school has learned its lessons well. 296 00:18:39,804 --> 00:18:40,764 (Music) 297 00:18:41,435 --> 00:18:44,675 But Adam's guys... must have been playing hockey. 298 00:18:44,675 --> 00:18:46,935 -I think it's quite obvious what's happening... 299 00:18:47,272 --> 00:18:48,782 Or not happening. 300 00:18:49,096 --> 00:18:52,836 They seem to be fascinated with their reflection on the other end of the tank. 301 00:18:53,133 --> 00:18:54,283 (Laughs) 302 00:18:54,687 --> 00:18:58,897 - Jamie's crew is halfway through and going swimmingly. 303 00:18:59,131 --> 00:19:00,695 - You know you want it. 304 00:19:01,160 --> 00:19:04,527 Look at them. They are frantic to go through there. 305 00:19:04,858 --> 00:19:07,308 -Maybe I should give them a compass. 306 00:19:07,522 --> 00:19:08,552 (Music) 307 00:19:08,764 --> 00:19:11,248 -Oh -Who's to say that luck doesn't play 308 00:19:11,248 --> 00:19:16,428 a part in these things. They're through the first barrier, but not for long. 309 00:19:16,428 --> 00:19:18,308 -Oh, no no not back. 310 00:19:19,160 --> 00:19:24,220 -There is no backtracking in Jamie's tank. The first fish is through. 311 00:19:24,331 --> 00:19:25,216 -One minute. 312 00:19:25,710 --> 00:19:30,021 -The rest of the gang isn't far behind, except one. 313 00:19:30,021 --> 00:19:34,021 -Interesting to note there is one fish that is the stupidest one. 314 00:19:34,174 --> 00:19:38,700 There is a little red head in back and, uh he is the skinniest. 315 00:19:38,730 --> 00:19:39,585 (Laughs) 316 00:19:40,381 --> 00:19:43,301 -Adam apparently has two skinny fish. 317 00:19:44,152 --> 00:19:48,032 -I don't understand the total ignorance of this panel. 318 00:19:48,032 --> 00:19:50,481 It's like this wall doesn't even exist for him. 319 00:19:50,481 --> 00:19:54,649 -I would say that without a doubt, one minute to make it through the maze 320 00:19:54,649 --> 00:19:56,508 is a lot quicker than random. 321 00:19:56,648 --> 00:19:57,937 (Music) 322 00:19:58,206 --> 00:20:00,223 -And for Adam's fish? 323 00:20:00,719 --> 00:20:01,979 -Nine minutes. 324 00:20:02,687 --> 00:20:08,437 -Day fourty three of the goldfish memory test and Adam's still behind. 325 00:20:08,524 --> 00:20:11,297 -Listen, I don't have any work to do on this experiment. 326 00:20:11,297 --> 00:20:14,259 These fish have a lot of work to do. (Laughs) 327 00:20:14,259 --> 00:20:18,259 I'm just giving them the framework with which to prove themselves. 328 00:20:18,505 --> 00:20:20,455 For all goldfish kind. 329 00:20:20,536 --> 00:20:23,596 -Adam just got stupid fish. What are you going to do? 330 00:20:24,082 --> 00:20:25,723 -Alright boys, are you ready? 331 00:20:25,780 --> 00:20:26,780 (Adam whistles) 332 00:20:28,878 --> 00:20:30,188 (Music) 333 00:20:31,713 --> 00:20:35,713 -Meanwhile, Jamie's A students are lining up at the gate. 334 00:20:36,496 --> 00:20:38,816 -They're looking perky this morning. 335 00:20:39,068 --> 00:20:40,657 He's going for it. 336 00:20:41,342 --> 00:20:43,172 -The starting gun has sounded. 337 00:20:43,172 --> 00:20:46,390 Jamie's looking to go under sixty seconds. 338 00:20:48,621 --> 00:20:55,501 -Oh, oh, oh yay. That was, let's see... twenty five seconds. It's a record! 339 00:20:57,472 --> 00:21:01,613 They were like definitely "Boof". Way to go guys. 340 00:21:02,438 --> 00:21:05,220 -Mine are eating their own poo. (Jamie laughs) 341 00:21:06,794 --> 00:21:08,693 -Well, they seem healthy for all that. 342 00:21:08,693 --> 00:21:12,952 -I know everybody's going to take me to tasks for wasting these fish's time. 343 00:21:12,952 --> 00:21:15,432 Hey! They're both on the second chamber. 344 00:21:15,911 --> 00:21:17,261 Oh! They go back! 345 00:21:17,261 --> 00:21:18,893 (Laughter) 346 00:21:19,494 --> 00:21:25,074 -Can they remember for three seconds? I'd bager you bet and a lot more. 347 00:21:26,401 --> 00:21:29,691 -George Barlow, from the University of California Berkeley, 348 00:21:29,691 --> 00:21:34,849 is a professor of integrated biology and a big fan of goldfish.. 349 00:21:34,849 --> 00:21:38,699 -I guess there's some debate about this. Does condition behavior actually quallify 350 00:21:38,699 --> 00:21:43,049 as memory? -Sure. Any task that you can, in quotes, 351 00:21:43,049 --> 00:21:49,097 teach to an animal and then retest later. You have a very objective way of 352 00:21:49,097 --> 00:21:51,489 evaluating whether it remembered it. 353 00:21:51,489 --> 00:21:56,209 From what you've told me I would say, yeah you have blown away the myth that 354 00:21:56,209 --> 00:21:58,944 they can only remember for three seconds. 355 00:21:58,944 --> 00:22:02,301 -And one of the purported reasons behind the myth is so that people 356 00:22:02,301 --> 00:22:06,001 who keep godlfish in small bowls don't feel so bad, 357 00:22:06,001 --> 00:22:09,603 Do you think that it's actually cruel to keep goldfish in a bowl like that? 358 00:22:10,392 --> 00:22:12,331 -Well, we'll never know. 359 00:22:12,331 --> 00:22:15,816 Adolf Hitler thought it was cruel to keep goldfish in a bowl because 360 00:22:15,816 --> 00:22:20,696 there was no corner for them in which to hide and had a law made prohibiting 361 00:22:21,196 --> 00:22:24,226 the use of bowls for goldfish. 362 00:22:24,623 --> 00:22:30,853 But I think in general just an awful lot of fish kept in aquaria are bored. 363 00:22:31,198 --> 00:22:32,518 (Music) 364 00:22:32,858 --> 00:22:34,269 -Okay guys... 365 00:22:36,209 --> 00:22:38,569 I got awake this morning. 366 00:22:38,984 --> 00:22:43,074 -Jamie is confident his fish are drawing on all their memory cells. 367 00:22:43,345 --> 00:22:46,585 It's the final day. Day fourty five. 368 00:22:46,742 --> 00:22:49,232 Will they find their food faster? 369 00:22:49,336 --> 00:22:51,744 -Okay, let's go. -Alright, timer's starting. 370 00:22:53,544 --> 00:22:56,334 -There we go. We're going through one. 371 00:22:57,674 --> 00:22:59,084 Now go back through. 372 00:22:59,621 --> 00:23:01,061 (Music) 373 00:23:02,289 --> 00:23:05,049 Oh, they're looking like they're going to do it... 374 00:23:05,049 --> 00:23:08,284 -Twenty seconds. -Oh they've lost the record. 375 00:23:09,905 --> 00:23:11,415 -Twenty five seconds. 376 00:23:12,082 --> 00:23:14,705 -There we go. Almost. 377 00:23:14,748 --> 00:23:17,848 -Thirty five seconds. Come on handsome. 378 00:23:18,355 --> 00:23:19,715 There it comes. 379 00:23:20,739 --> 00:23:21,917 -There we go. 380 00:23:22,244 --> 00:23:24,654 -Not bad at all. Fourty seconds. -Fourty seconds. 381 00:23:25,154 --> 00:23:29,374 I think that judging by what I'm seeing that that's probably the threshold, 382 00:23:29,653 --> 00:23:32,003 plus or minus thirty seconds to get through. 383 00:23:32,003 --> 00:23:35,623 And and thirty seconds is pretty good to make it through four holes. 384 00:23:35,623 --> 00:23:40,143 It's clear that they have learned and it's clear that they do in fact have a memory 385 00:23:40,143 --> 00:23:42,110 longer than three seconds. 386 00:23:42,123 --> 00:23:45,958 -Absolutely. I...I mean, I'm impressed how fast that is you know my fish 387 00:23:45,958 --> 00:23:50,602 on average sort of randomly take between like three and twenty minutes... 388 00:23:51,219 --> 00:23:53,896 To get to their food. I mean, you guys definitely know 389 00:23:53,896 --> 00:23:55,216 what's going on. 390 00:23:55,573 --> 00:23:57,221 Myth busted. 391 00:23:57,586 --> 00:23:58,713 (Laughter) 392 00:23:59,014 --> 00:24:00,804 -Thanks Adam. (Adam laughs) 393 00:24:01,037 --> 00:24:03,297 -Alright. Good night fish. 394 00:24:05,434 --> 00:24:08,043 -See, is that kind of behavior that screwed him up.