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Interviews: Ask David Gallo About Ocean Exploration
David Gallo is an oceanographer and Director of Special Projects at the Woods Hole Oceanographic Institution. He has participated in expeditions to all of the world’s oceans and was one of the first scientists to use a combination of robots and submarines to explore the deep seafloor. As a member of James Cameron’s Deep Ocean Task Force and the XPrize Ocean Advisory Board, David actively encourages the development of new technologies for ocean exploration. With more than 8 million views, his TED presentation entitled Underwater Astonishments is the 4th most viewed TED Talk to date. David has agreed to come up for air and answer any questions you may have. As usual, ask as many as you'd like, but please, one question per post.
What's the most chilling thing you've observed underwater? By "chilling," I mean: some really weird-looking, previously unknown creature, remains of the Titanic, a squid attacking an ROV, etc. By "observed" I mean either directly, by video, or by evidence (e.g. ROV with large sucker marks)
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Something that has often perplexed me is fossil distribution through time and tectonic shifts. For example, one can go to the middle of North America and find sea fossils. So, perhaps with your knowledge of what happens to things in the deep, are there untold fossils lying under the seabed floor? Perhaps a localized population of what once used to be land animals situated such that we have never seen these fossils at the vast bottom of the Pacific Ocean? If you can fill me in on why this is or isn't possible (I have no idea what plate shifts do to the top layer or what effects untold pressure has on fossils), I would be extremely interested! Thanks!
My work here is dung.
Have you noticed any affects of acidification of the world's oceans?
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Having watched the show SeaQuest as a teenager, and recognizing the participation from the Woods Hole Oceanographic Institute (For the first season anyway), I wanted to ask about the feasibility of humans actually inhabiting the oceans and seas as depicted in the television series. I realize that the technology to bring the ship itself to reality is quite a bit ahead of where we are now, but do you think it's possible in the near-future that humans will begin to colonize the oceans?
If you're looking here for something insightful or thought provoking, you're probably looking in the wrong place.
Over time, have you seen the effects of the world's dwindling shark population?
Many years ago, when I was aged about 12, I recall reading about a ship that had sunk and was drifting around underwater. I have heard about shipping containers doing this sort of thing, but I was wondering if you had ever seen a ship or a boat drifting around underwater.