1 99:59:59,999 --> 99:59:59,999 I've been spending my summers 2 99:59:59,999 --> 99:59:59,999 in the Marine Biological Laboratory in Woods Hole, Massachusetts 3 99:59:59,999 --> 99:59:59,999 And there, what I've been doing is essentially renting a boat. 4 99:59:59,999 --> 99:59:59,999 What I would like to ask you to do 5 99:59:59,999 --> 99:59:59,999 is to come on a boat ride with me tonight. 6 99:59:59,999 --> 99:59:59,999 So, we ride off from Eel Pond into the Vineyard South, 7 99:59:59,999 --> 99:59:59,999 right off the coast of Martha's Vineyard, 8 99:59:59,999 --> 99:59:59,999 equipped with a drone to identify potential spots 9 99:59:59,999 --> 99:59:59,999 from which to peer into the Atlantic. 10 99:59:59,999 --> 99:59:59,999 Earlier I was going to say 11 99:59:59,999 --> 99:59:59,999 into the depths of the Atlantic, 12 99:59:59,999 --> 99:59:59,999 but we don't have to go too deep to reach the unknown. 13 99:59:59,999 --> 99:59:59,999 Here, barely two miles away, 14 99:59:59,999 --> 99:59:59,999 from what is arguably the greatest marine biology lab in the world, 15 99:59:59,999 --> 99:59:59,999 we lower a simple plankton net into the water 16 99:59:59,999 --> 99:59:59,999 and bring up into the surface things that humanity rarely pays attention to 17 99:59:59,999 --> 99:59:59,999 and oftentimes, have never seen before. 18 99:59:59,999 --> 99:59:59,999 Here is one of the organisms that we caught in our net, 19 99:59:59,999 --> 99:59:59,999 this is a jellyfish. 20 99:59:59,999 --> 99:59:59,999 But look closely, living inside this animal is another organism 21 99:59:59,999 --> 99:59:59,999 that is very likely entirely new to science. 22 99:59:59,999 --> 99:59:59,999 A complete new species. 23 99:59:59,999 --> 99:59:59,999 Or how about this other transparent beauty? 24 99:59:59,999 --> 99:59:59,999 With a beating heart, asexually growing, 25 99:59:59,999 --> 99:59:59,999 on top of its head, 26 99:59:59,999 --> 99:59:59,999 progeny that will move on to reproduce sexually. 27 99:59:59,999 --> 99:59:59,999 Now let me say that again, 28 99:59:59,999 --> 99:59:59,999 this animal is growing asexually, 29 99:59:59,999 --> 99:59:59,999 on top of its head, 30 99:59:59,999 --> 99:59:59,999 progeny that is going to reproduce sexually in the next generation. 31 99:59:59,999 --> 99:59:59,999 A weird jellyfish, not quite, 32 99:59:59,999 --> 99:59:59,999 this is an ascidian, this is a group of animals 33 99:59:59,999 --> 99:59:59,999 that now we know we share extensive genomic ancestry with, 34 99:59:59,999 --> 99:59:59,999 and it is perhaps the closest invertebrate species to our own. 35 99:59:59,999 --> 99:59:59,999 Meet your cousin, Thalia democratica 36 99:59:59,999 --> 99:59:59,999 I'm pretty sure you didn't save a spot 37 99:59:59,999 --> 99:59:59,999 in your last family reunion for Thalia. 38 99:59:59,999 --> 99:59:59,999 But, let me tell you, 39 99:59:59,999 --> 99:59:59,999 these animals are profoundly related to us 40 99:59:59,999 --> 99:59:59,999 in ways we are just beginning to understand. 41 99:59:59,999 --> 99:59:59,999 Next time you hear anybody derisively telling you 42 99:59:59,999 --> 99:59:59,999 that this type of research is a simple fishing expedition, 43 99:59:59,999 --> 99:59:59,999 I hope that you remember the trip that we just took. 44 99:59:59,999 --> 99:59:59,999 Today, many biological sciences only see value 45 99:59:59,999 --> 99:59:59,999 in studying deeper what we already know, 46 99:59:59,999 --> 99:59:59,999 In mapping already discovered continents. 47 99:59:59,999 --> 99:59:59,999 But some of us are much more interested in the unknown, 48 99:59:59,999 --> 99:59:59,999 we want to discover completely new continents, 49 99:59:59,999 --> 99:59:59,999 and gaze at magnificent vistas of ignorance. 50 99:59:59,999 --> 99:59:59,999 We crave the experience of being completely baffled 51 99:59:59,999 --> 99:59:59,999 by something we have never seen before. 52 99:59:59,999 --> 99:59:59,999 And yes, I agree that there's a lot of ego satisfaction in being able to say 53 99:59:59,999 --> 99:59:59,999 "Hey, I was the first one to discover that." 54 99:59:59,999 --> 99:59:59,999 This is not a self-aggrandizing enterprise 55 99:59:59,999 --> 99:59:59,999 because in this type of discovery research, 56 99:59:59,999 --> 99:59:59,999 if you don't feel like a complete idiot most of the time, 57 99:59:59,999 --> 99:59:59,999 you're just not science-ing hard enough. 58 99:59:59,999 --> 99:59:59,999 (Laughter) 59 99:59:59,999 --> 99:59:59,999 Every summer, I bring onto the deck of this little boat of ours, 60 99:59:59,999 --> 99:59:59,999 more and more things that we know very little about. 61 99:59:59,999 --> 99:59:59,999 Very, very, very little about. 62 99:59:59,999 --> 99:59:59,999 I would like to tell you tonight, 63 99:59:59,999 --> 99:59:59,999 a story about life that rarely gets told 64 99:59:59,999 --> 99:59:59,999 in an environment like this. 65 99:59:59,999 --> 99:59:59,999 From the vantage point of our 21st biological laboratories, 66 99:59:59,999 --> 99:59:59,999 our 21st century biological laboratories, 67 99:59:59,999 --> 99:59:59,999 we have began to illuminate 68 99:59:59,999 --> 99:59:59,999 many mysteries of life with knowledge. 69 99:59:59,999 --> 99:59:59,999 We sensed that after centuries of scientific research, 70 99:59:59,999 --> 99:59:59,999 we're beginning to make significant inroads into understanding 71 99:59:59,999 --> 99:59:59,999 some of the most fundamental principles of life. 72 99:59:59,999 --> 99:59:59,999 Our collective optimism is reflected 73 99:59:59,999 --> 99:59:59,999 by the growth of biotechnology across the globe. 74 99:59:59,999 --> 99:59:59,999 Striving to utilize scientific knowledge to cure human diseases, 75 99:59:59,999 --> 99:59:59,999 things like cancer, aging, degeneretive diseases, 76 99:59:59,999 --> 99:59:59,999 these are but some of the undesirables we wish to tame. 77 99:59:59,999 --> 99:59:59,999 What I often wonder is, 78 99:59:59,999 --> 99:59:59,999 "Why is it that we are having so much trouble 79 99:59:59,999 --> 99:59:59,999 trying to solve the problem of cancer? 80 99:59:59,999 --> 99:59:59,999 Is it that we're trying to solve the problem of cancer, 81 99:59:59,999 --> 99:59:59,999 and not trying to understand life?" 82 99:59:59,999 --> 99:59:59,999 Life on this planet shares a common origin. 83 99:59:59,999 --> 99:59:59,999 I can summarize 3.5 billion years of the history of life on this planet 84 99:59:59,999 --> 99:59:59,999 in a single slide. 85 99:59:59,999 --> 99:59:59,999 What you see represented here 86 99:59:59,999 --> 99:59:59,999 are all known species, 87 99:59:59,999 --> 99:59:59,999 representative of all known species of our planet. 88 99:59:59,999 --> 99:59:59,999 in this immensity of life and biodiversity 89 99:59:59,999 --> 99:59:59,999 we occupy a rather unremarkable position. 90 99:59:59,999 --> 99:59:59,999 Homo sapiens, the last of our kind. 91 99:59:59,999 --> 99:59:59,999 And though I don't really want to disparage 92 99:59:59,999 --> 99:59:59,999 all the accomplishments of our species, 93 99:59:59,999 --> 99:59:59,999 as much as we wish it to be so, 94 99:59:59,999 --> 99:59:59,999 and often pretend that it is so, 95 99:59:59,999 --> 99:59:59,999 we are not the measure of all things. 96 99:59:59,999 --> 99:59:59,999 We are, however, the measurers of many things. 97 99:59:59,999 --> 99:59:59,999 We relentlessly quantify, analyze and compare, 98 99:59:59,999 --> 99:59:59,999 and some of these are absolutely invaluable and indeed necessary, 99 99:59:59,999 --> 99:59:59,999 but this emphasis today, 100 99:59:59,999 --> 99:59:59,999 on forcing biological research to specialize, 101 99:59:59,999 --> 99:59:59,999 and to produce practical outcomes, 102 99:59:59,999 --> 99:59:59,999 is actually restricting our ability to interrogate life, 103 99:59:59,999 --> 99:59:59,999 to accept only narrow confines and unsatisfying depths. 104 99:59:59,999 --> 99:59:59,999 We are measuring an astonishingly narrow sliver of life, 105 99:59:59,999 --> 99:59:59,999 and hoping that those numbers will save all of our lives. 106 99:59:59,999 --> 99:59:59,999 How narrow, you ask? 107 99:59:59,999 --> 99:59:59,999 Well let me give you a number, 108 99:59:59,999 --> 99:59:59,999 The National Oceanic and Atmospheric Administration 109 99:59:59,999 --> 99:59:59,999 recently estimated, that about 95% of our oceans remain unexplored. 110 99:59:59,999 --> 99:59:59,999 Now let that sink in for a second. 111 99:59:59,999 --> 99:59:59,999 95% of our oceans remain unexplored. 112 99:59:59,999 --> 99:59:59,999 I think it's very safe to say that we don't even know 113 99:59:59,999 --> 99:59:59,999 how much about life we do not know. 114 99:59:59,999 --> 99:59:59,999 It's no surprise that every week in my field 115 99:59:59,999 --> 99:59:59,999 we begin to see the addition of more and more new species 116 99:59:59,999 --> 99:59:59,999 to this amazing tree of life. 117 99:59:59,999 --> 99:59:59,999 This one for example, 118 99:59:59,999 --> 99:59:59,999 discovered earlier this summer, 119 99:59:59,999 --> 99:59:59,999 new to science and now occupying its lonely branch in a family tree. 120 99:59:59,999 --> 99:59:59,999 What is even more tragic is that we know about 121 99:59:59,999 --> 99:59:59,999 a bunch of other species of animals out there, 122 99:59:59,999 --> 99:59:59,999 but their biology remains sorely understudied, 123 99:59:59,999 --> 99:59:59,999 I'm sure some of you have heard about the fact that 124 99:59:59,999 --> 99:59:59,999 a starfish can actually regenerate its arm after it's loss, 125 99:59:59,999 --> 99:59:59,999 but some of you might not know 126 99:59:59,999 --> 99:59:59,999 that the arm itself can actually regenerate a complete starfish. 127 99:59:59,999 --> 99:59:59,999 There are animals out there that do truly astounding things, 128 99:59:59,999 --> 99:59:59,999 and I'm almost willing to bet, 129 99:59:59,999 --> 99:59:59,999 that many of you have never heard of the flatworm 130 99:59:59,999 --> 99:59:59,999 Schmidtea mediterranea. 131 99:59:59,999 --> 99:59:59,999 This little guy right here does things that essentially just blows my mind. 132 99:59:59,999 --> 99:59:59,999 You can grab one of these animals and cut them into 18 different fragments, 133 99:59:59,999 --> 99:59:59,999 each and every one of those fragments 134 99:59:59,999 --> 99:59:59,999 will go on to regenerate a complete animal in under two weeks. 135 99:59:59,999 --> 99:59:59,999 18 heads, 18 bodies, 18 mysteries. 136 99:59:59,999 --> 99:59:59,999 For the past decade and a half or so, 137 99:59:59,999 --> 99:59:59,999 I've been trying to figure out how these little dudes do what they do, 138 99:59:59,999 --> 99:59:59,999 how they pull this body trick off? 139 99:59:59,999 --> 99:59:59,999 But like all good magicians, 140 99:59:59,999 --> 99:59:59,999 they're not really releasing their secrets readily to me. 141 99:59:59,999 --> 99:59:59,999 (Laughter) 142 99:59:59,999 --> 99:59:59,999 So here we are, after 20 years of essentially studying these animals, 143 99:59:59,999 --> 99:59:59,999 genome mapping, chin scratching, 144 99:59:59,999 --> 99:59:59,999 thousands of amputations and thousands of regenerations, 145 99:59:59,999 --> 99:59:59,999 we still don't fully understand 146 99:59:59,999 --> 99:59:59,999 how these animals do what they do. 147 99:59:59,999 --> 99:59:59,999 Each planaria, an ocean unto itself, 148 99:59:59,999 --> 99:59:59,999 full of unknowns. 149 99:59:59,999 --> 99:59:59,999 Now, one of the common characteristics of all these animals 150 99:59:59,999 --> 99:59:59,999 I have been talking to you about is that 151 99:59:59,999 --> 99:59:59,999 they did not appear to have received the memo, 152 99:59:59,999 --> 99:59:59,999 that they need to behave according to the rules that we have derived 153 99:59:59,999 --> 99:59:59,999 from a handful of randomly selected animals that currently populate 154 99:59:59,999 --> 99:59:59,999 the vast majority of biomedical laboratories across the world. 155 99:59:59,999 --> 99:59:59,999 Meet our Nobel Prize winners, 156 99:59:59,999 --> 99:59:59,999 7 species, essentially, that have produced for us 157 99:59:59,999 --> 99:59:59,999 the bulk of our understanding of biological behavior today. 158 99:59:59,999 --> 99:59:59,999 This little guy right here, 159 99:59:59,999 --> 99:59:59,999 3 Nobel Prizes in 12 years. 160 99:59:59,999 --> 99:59:59,999 And yet, after all the attention they have garnered 161 99:59:59,999 --> 99:59:59,999 and all the noise they have generated as well as the lion share of the funding, 162 99:59:59,999 --> 99:59:59,999 here we are standing in front of the same litany of tractable problems 163 99:59:59,999 --> 99:59:59,999 and many new challenges. 164 99:59:59,999 --> 99:59:59,999 That's because, unfortunately,