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Uploaded 19-04-21
Head over to Animal IQ on Terra: https://youtu.be/Nc3mUNkJZZk
Celebrate Earth Day with other PBS Channels! https://bit.ly/32nmIsp
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Ocean currents are our planet’s circulatory system, and they keep everything from ecosystems to the climate healthy. But we’re changing Earth in ways that threaten to disrupt and even break critical ocean currents like the planet-wide Great Ocean Conveyor. This could have devastating effects on our future. In this video, we explain how ocean currents work, how climate change is threatening to disrupt them, and what we can do to stop that from happening.
References: https://sites.google.com/view/ocean-conveyor-belt/home
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Robert
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Eric Meer
Peter Ehrnstrom
Dustin
Marcus Tuepker
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Uploaded 20-06-17
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Since the days of Ancient Greece, philosophers and scientists have been wondering: What is space? Is the absence of things… a thing? These questions continued to fascinate physicists in the modern era, leading Isaac Newton, Ernst Mach, and Albert Einstein to wonder about the true nature of the fabric of the cosmos. The search for an answer led them to some of the greatest theories in physics. This week, we ask if space and time are really real, and how they come together to make “spacetime”!
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READ MORE:
“The Fabric of the Cosmos” by Brian Greene http://amzn.to/2tF9fZO (Public library: http://www.worldcat.org/oclc/681349969)
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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
Director: Andrew Matthews
Writer: Andrew Matthews
Producer/editor/animator: Andrew Matthews
Producer: Stephanie Noone and Amanda Fox
Produced by PBS Digital Studios
Music via APM
Stock images from Shutterstock http://www.shutterstock.com
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Uploaded 23-10-18
What’s the largest river on Earth? If you said “the Amazon”… you’re only half right. Scientists have discovered an even bigger river in South America, and it’s in the sky above the Amazon rainforest. Turns out, this sky river is the reason there’s a rainforest at all…
REFERENCES:
Dr. Scot T. Martin, Gordon McKay Professor of Environmental Science and Engineering and Professor of Earth and Planetary Sciences, Harvard University.
Dr. Antonio Donato Nobre, National Institute for Space Research, Brazil. Centro de Ciência do Sistema Terrestre
TED Talk: “The Magic of the Amazon, a river that flows invisibly all around us.” https://www.youtube.com/watch?v=01jYiXbpnoE
“The Future Climate of Amazon.” Scientific Assessment Report. Articulación Regional Amazônica (2014). Sao Jose dos Campos – SP Edition ARA, CCST-INPE e INPA
Andreae et al. “Biogeochemical cycling of carbon, water, energy, trace gases, and aerosols in Amazonia: The LBA‐EUSTACH experiments.” Journal of Geophysical Research: Atmospheres (2002). https://doi.org/10.1029/2001JD000524
Dettinger, M. D., Ralph, F. M., Das, T., Neiman, P. J., and Cayan, D. R. (2011). Atmospheric rivers, floods and the water resources of California. Water, 3(2), 445-478.
Pöhlker, C., Wiedemann, K. T., Sinha, B., Shiraiwa, M., Gunthe, S. S., Smith, M., ... and Elbert, W. (2012). Biogenic potassium salt particles as seeds for secondary organic aerosol in the Amazon. Science, 337(6098), 1075-1078.
https://authors.library.caltech.edu/34067/2/Pohlker.SM.pdf
Ter Steege, H., Pitman, N. C., Sabatier, D., Baraloto, C., Salomão, R. P., Guevara, J. E., ... and Monteagudo, A. (2013). Hyperdominance in the Amazonian tree flora. Science, 342(6156), 1243092.
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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
Director: Joe Nicolosi
Writer: Sarah Keartes
Creative Director: David Schulte
Editor/animator: Sara Roma
Producers: Stephanie Noone and Amanda Fox
Produced by PBS Digital Studios
Music via APM
Stock images from Shutterstock http://www.shutterstock.com
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