41
By TED-Ed
Published in 2015
Tens of millions of years ago, plate tectonics set North and South America on an unavoidable collision course that would change the face of the Earth and spell life or death for thousands of species. Juan D. Carrillo explains the massive biological repercussions of this collision, which caused one...
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42
By TED-Ed
Published in 2014
It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal also releases pollutants into the air, causing environmental damage like acid rain and serious health problems. Can we create a...
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43
By TED-Ed
Published in 2014
Atmospheric scientist Karen Kosiba studies how tornadoes form and do damage. Getting measurements near the surface of these twisters is difficult, though, and driving into them is a practice mostly reserved for the big screen. In this TEDYouth Talk, Kosiba describes how she and her team use...
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44
By TED-Ed
Published in 2014
In a fun, excited talk, teenager Henry Lin looks at something unexpected in the sky: galaxy clusters. By studying the properties of the unverse's largest pieces, says the Intel Science Fair Winner, we can learn quite a lot about our own world ad galaxy.
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45
By TED-Ed
Published in 2013
The world needs clean water, and more and more, we're pulling it from the oceans, desalinating it, and drinking it. But what to do with the salty brine left behind? In this intriguing short talk, TED Fellow Damian Palin proposes an idea: Mine it for other minerals we need, with the help of some...
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46
Play videos from Robert Krulwich's five-part cartoon series, Global Warming: It's All About Carbon.
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47
Published in 2014
Learn how experts joined forces to figure out what happened at the end of the Cretaceous, 66 million years ago. Meet Dr. Kirk Johnson, a paleobotanist and Sant Director of the National Museum of Natural History. While you may know about the extinction of large dinosaurs, you might not realize that...
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48
Published in 2015
Why do hurricanes get their own season? The reason for the season is because of the three requirements for a hurricane to form. Precursor storms off the coast of Africa that travel on currents, warm ocean temperatures, and low wind shear due to the location of the jet stream are only available...
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49
Published in 2016
What are earthquakes? Get a new perspective on these powerful phenomena with this collection of videos and infographics co-presented by the California Academy of Sciences and KQED. You'll learn why earthquakes happen, how they've shaped the Bay Area, and what you can do to prepare for the next one.
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50
Published in 2007
Do you live in an urban heat island? In this audio report from QUEST produced by KQED, learn how trees are cooling down urban areas. Discover what urban heat islands are and the effect they have on the atmosphere. Also, learn how homeowners and businesses can cool down their communities.
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51
Published in 2013
As wetlands continue to disappear, the islanders who depend on them for food or income from tourism will suffer even more. But with improved wetland management practices, Pacific islands will be better able to adapt to the impacts of climate change. Learn how Hawaii's wetlands help reduce the...
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52
Published in 2016
Learn about Dan's education and path to a geoscience career. Dan received a BS degree in Geology. He has worked around the world to explore and improve the recovery of Earth's natural resources. He is currently a consultant in the mining and metals industry, with expertise in operations and...
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53
Published in 2015
Somewhere inside of every raindrop is a tiny impurity. A touch of salt, a speck of soot and grain of clay is absolutely crucial to a rain drops existence. In fact, without these microscopic pieces of dirt, there would be no rain because water vapor cannot condense into droplets on its own. This...
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54
By UNAVCO
Published in 2015
The Geoscience Career Spotlight series highlights the variety of careers available to geoscience majors in addition to academia. This video highlights Valerie Keeney, a science teacher at Summit Middle School in Boulder, Colorado.
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55
By UNAVCO
Published in 2015
The Geoscience Career Spotlight series highlights the variety of careers available to geoscience majors in addition to academia. This video highlights Matthew Mossbrucker, director and curator of the Morrison Natural History Museum in Morrison, Colorado.
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56
By UNAVCO
Published in 2017
UNAVCO has a number of hands-on demonstrations to use at informal and formal group events like school visits, museum presentations, science days, or farmers markets. This video shows a demonstration illustrating how scientists use geodesy to measure the inflation and deflation of a volcano, and how...
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57
Published in 2017
Shelley Olds presents an introduction to using the UNAVCO Velocity Viewer. Check out how to engage students using this tool to explore ground motion and earthquakes!
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58
Published in 2017
Glaciers appear on almost every continent. However, they are rapidly melting due to the warming climate. Find out how glaciers form and other interesting facts about glaciers.
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59
Published in 2017
What is air pollution? Learn how greenhouse gasses, smog, and toxic pollutants effect climate change, and human health.
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60
Published in 2010
Explore and experience the forces that shape the world around us. Most of the Earth is hot, molten metal and rock. In fact, the inhabitable part makes up less than 1% of the planet's mass.
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