|Media Inquiries:||Scott Rohan, Department of Communications
UNSEEN OCEANS OPENS AT THE AMERICAN MUSEUM OF NATURAL HISTORY
New Exhibition Highlights the Latest Advances in Ocean Exploration,
the Researchers and Technologies Behind them, and the Mysteries That Remain
Opens March 12, 2018
Preview Days for Members Begin March 9
In Unseen Oceans, visitors will explore a series of circular, media-rich galleries showcasing a range of marine environments and introducing the scientists who are using cutting-edge research tools and developing new methods to explore the oceans top to bottom.How do blue whales spend their day? (High-tech, removable tags on their backs provide the answer.) What’s going on in the deep waters surrounding Hawai`i? (Hint: Advanced sonar reveals a new island is set to emerge—in more than 100,000 years.) How can we identify the best locations for marine protected areas? (Fleets of small autonomous robots may offer important clues.) Visitors to Unseen Oceans will learn the answers to these exciting questions and explore other novel lines of inquiry that ocean researchers have only recently uncovered.
“Throughout the two decades that I’ve spent studying the world’s oceans, I’ve been continually astonished at the ingenuity of my fellow marine scientists as they’ve utilized and adapted the latest technologies to make discoveries that we could previously only dream of,” said John Sparks, curator in the Department of Ichthyology at the Museum and curator of Unseen Oceans. “For example, only recently did my colleagues and I reveal the widespread incidence of biofluorescence—the phenomenon by which organisms absorb light, transform it, and emit it as a different color—among marine fishes. Visitors to this exhibition will learn about that research and more as they meet the scientists who are quite literally illuminating the unseen frontiers of our ocean world.”
“I am wild about the oceans, and I believe that ocean exploration is as exciting and important as space exploration,” said Ray Dalio of the Dalio Foundation. “In Unseen Oceans, the Museum has elicited the thrill and awe, as well as the importance, of what ocean explorers are discovering today, and we’re proud to partner with the Museum to support this remarkable exhibition.”
The Oceans’ Inhabitants, At All Scales
Unseen Oceans welcomes visitors with a familiar sight: a projection of waves lapping at their feet and a vista of the water’s surface. It is that sunlit zone—the upper few hundred feet of the ocean—that is inhabited by the organisms that sustain nearly all marine life: plankton. These tiny organisms drift with the currents and are vital to life on Earth. Phytoplankton, photosynthesizing microscopic organisms that include bacteria, algae, and protozoans, are the ocean’s primary energy producers. They rely on light to grow and are so numerous that their blooms can be seen from space. Feeding on the phytoplankton are small animals called zooplankton, including the larvae of familiar marine animals like the mighty bluefin tuna and ocean sunfish. Despite their small size, planktonic forms are remarkably diverse and the complexity of these extraordinary organisms is only beginning to be understood. In this section of the exhibition, visitors will encounter larger-than-life models of unusual and beautiful planktonic species, view organisms that are found in a drop of seawater at interactive microscope stations,and try to match the planktonic and adult forms of a variety of marine species in a “Find My Baby Picture” game.
On the other end of the size spectrum, Earth’s oceans have been home to giant animals for hundreds of millions of years. Visitors will encounter giant fossils from Earth’s past—from ammonites to ichthyosaurs—and stand in awe of the immensity of the largest animals that inhabit our blue planet today at a 180-degree, high-resolution screen where animations of blue whales, giant squid, and manta rays swim by visitors at true-to-life scales.
Illuminating Marine Mysteries With New Technologies
Sinking deeper into the ocean, daylight fades, most colors disappear, and life is bathed in blue. But diving at night with specially-designed lights and cameras, Dr. Sparks and Museum Research Associate David Gruber have discovered that a wide variety of fishes and other marine animals are fluorescent, glowing in startling shades of red, orange, and green when illuminated with high-energy blue light. The researchers’ investigations into this phenomenon began with a serendipitous observation of a fluorescent eel in the Cayman Islands, after which they embarked on a high-tech, global search for other species that exhibit this remarkable trait. Unlike bioluminescence, which is light made by an organism through a chemical reaction, biofluorescence involves the absorption and re-emission of light by special molecules in an animal’s body. Visitors to Unseen Oceans will learn about the potential functions of fluorescence in the ocean and how a biofluorescent fish looks under different lighting as well as through the lens ofthe specialized underwater cameras that Sparks and Gruber developed for their research. They will also encounter afloor-to-ceiling array of model fishes and turtles that biofluoresce as they would in life, as well as live scorpionfish, eels, seahorses, and sharks that display this characteristic.
The ocean floor is another world. Only about 10 to 15 percent of the seafloor has been mapped with accuracy, meaning that we know the surface of Mars much better than the submerged landscapes of our own planet. But today, with the use of sound waves, radar and lasers,scientists like Oregon State University’s Dawn Wright are beginning to construct extraordinarily detailed images of these environments. In Unseen Oceans, visitors will encounter a gallery that features a scientifically-accurate re-creation of an undersea landscape from the Galápagos seamount chain as well asmodels of some of the hidden parts of our ocean planet—including a local “landmark”: the Hudson Canyon, a spectacular underwater feature only 100 miles from New York City. Additional attractions include an animated three-dimensional map of the world’s deep, slow-moving current system known as the Global Conveyor Belt and an interactive projection sand table where visitors experience a hands-on lesson about ocean topography as they dig trenches and create islands.
Modern Submersibles Enabling Science at New Depths
When only human eyes will do, scientists and their submersible pilots brave darkness and crushing pressure to observe the amazing life forms that inhabit the deep. In 1934, American undersea explorer William Beebe dove more than 3,000 feet in an early submersible known as the bathysphere. In the years that followed, the development of equipment for exploring this hidden world was largely in the hands of industry and the resulting submersibles were noisy, equipped with bright lights, and outfitted with rigid sampling arms that could damage fragile sea life. Ocean scientists initially adopted that equipment but grew concerned that they were actually scaring away the deep-sea life they sought to understand. At a microrobotics lab at Harvard, Kaitlyn Becker, David Gruber and Robert Wood are part of a team addressing that problem through the development of soft, quiet grippers called “squishy fingers,” with hydraulically-controlled padded fingers that conform gently around organisms at any depth. Exhibition visitors will be able to see a prototype of the latest soft robotics that engineers like Becker are developing to help marine biologists sample and analyze inhabitants of the deep sea with minimal damage.
Preserving The Future of Our Ocean Planet
There are limits, even in the oceans—and we’re pushing up against them. As the human population has exploded, the demand for seafood has surged and destructive, wasteful fishing practices have caused the number of fish to plummet by 50 percent since 1970.Unseen Oceans highlights the many urgent threats to the oceans’ vital abundance—including overfishing and habitat degradation—as well as the conservation scientists and forward-thinking governments that are making progress toward protecting the rich diversity of living things in the sea. In places where strict fishing limits are enforced and sustainable fishing methods are used, fish populations are stabilizing. Exhibition visitors will learn about the conservationists working to address destructive fishing methods and overfishing in today’s oceans, such as Wildlife Conservation Society’s (WCS) Nyawira Muthiga, who is training local communities in Kenya to modify their traditional fishing gear and to manage their fisheries sustainably.
Human activities don’t just drive down the number of fish; they also destroy the habitat where marine animals live. Many countries are setting aside safe places for fish and other organisms to breed and grow, where fishing, mining and polluting are restricted. In Bangladesh, WCS researcher Rubaiyat Mansur Mowgli is pushing the government to establish a 200-square kilometer area that’s home to eight species of dolphins and whales. Exhibition visitors will gain an experiential understanding of marine protected areas at an interactive digital media installation that features schooling fish that react to visitors’ movements. As a visitor approaches a group of fish displayed on the floor, the fish swim away and begin to diminish in numbers. But if a few people join together, and in effect, make a protected area, the fish multiply.
When creating these protected areas, conservationists must know not only where the animals live as adults, but also where they spend their larval stage. On display in the exhibition will be mini-autonomous underwater explorers (m-AUEs):ingenious, cost-effective devices developed by Scripps Oceanography Engineer Jules Jaffe that are deployed in swarms to track the movements of plankton and help scientists figure out the best places to protect.
The oceans are already being profoundly affected by climate change. By burning coal, oil, and gas, humans have added hundreds of billions of tons of greenhouse gases to the atmosphere, creating an environmental crisis on a global scale. In Unseen Oceans,visitors will learn about the work of climate scientists who are searching for strategies to help wildlife cope with a warming world, includingRuth Gates from the Hawai`i Institute of Marine Biology, who uses scanning electron microscopes and DNA sequencing to determine which coral species will be best able to acclimatize.
Before exiting the exhibition, visitors will be able to experience the thrill of marine exploration at digital interactive submersible stations, allowing them to take the joystick of a virtual submersible, navigate around seamounts, and make discoveries of their own. This final section will also highlight the newest generation of explorers who are continuing to expand our view of marine ecosystems and working to uncover the many mysteries that still remain in our ocean planet.
Unseen Oceans is curated by John Sparks, curator in the Museum’s Department of Ichthyology in the Division of Vertebrate Zoology. Sparks has overseen several major exhibitions, including Creatures of Light: Nature’s
Bioluminescence, which explored the diversity of organisms that produce light; and Life at the Limits: Stories of Amazing Species, which focused on organisms with surprising abilities, including species that thrive in extreme habitats, on which he served as co-curator.
Unseen Oceans will be open from Monday, March 12, 2018, through Sunday, January 6, 2019. Members will be able to preview the exhibition starting on Friday, March 9, through Sunday, March 12.
The exhibition is designed and produced by the American Museum of Natural History’s award-winning Exhibition Department under the direction of Lauri Halderman, vice president for exhibition.
Lead funding for Unseen Oceans and its educational resources is provided by
OceanX, an initiative of the Dalio Foundation.
The American Museum of Natural History gratefully acknowledges the
Richard and Karen LeFrak Exhibition and Education Fund.
Unseen Oceans is generously supported by
Chase Private Client.
American Museum of Natural History (amnh.org)
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