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Some aquarium hobbyists will pay $10,000 or more for a single shrimp because of the rarity of their colors or patterns.

LEARN MORE
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To learn more about this topic, start your googling with these keywords:
Chromatophores: pigment-containing cells in the deeper layers of the skin of animals like shrimp
Restricted availability theory: a commodity is available or perceived to be available only for certain individuals
Reactance theory: unavailability of a commodity is perceived as a threat to an individual’s freedom to posses that commodity, making it more desirable.
Scarcity heuristic: a mental shortcut that places value on items based on how easy it is to miss out on them.

If you liked this week’s video, you might also like:
Check out this Taiwanese news broadcast about fancy shrimp breeding: https://www.youtube.com/watch?v=KxjUEhryDEA

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CREDITS
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This video was produced by:
Julián Gustavo Gómez (@thejuliangomez) | Script Writer, Narrator and Director
Sarah Berman (@sarahjberman) | Illustration, Video Editing and Animation
Nathaniel Schroeder | Music

Feedback on drafts by:
David Goldenberg, Alex Reich, Henry Reich, Peter Reich, Ever Salazar and Kate Yoshida

MinuteEarth is produced by Neptune Studios LLC
https://neptunestudios.info

Henry Reich | Executive Producer
David Goldenberg | Production Manager
Melissa Hayes | Business & Legal Counsel
Kate Yoshida | Chief Editor
Ever Salazar | Creative Director
Julián Gustavo Gómez | Community Manager

OTHER CREDITS
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White Painted (Kai Bai) Shrimp photo by Demin Wong
Blue Bolt Shrimp photo by Jeffrey Kelley

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REFERENCES
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Bauer, R. T. "Color patterns of the shrimps Heptacarpus pictus and H. paludicola (Caridea: Hippolytidae)." Marine Biology 64.2 (1981): 141-152.

John, Maria, et al. "The preference for scarcity: A developmental and comparative perspective." Psychology & Marketing 35.8 (2018): 603-615.

Lukhaup, Chris. “Freshwater Shrimps: The next Generation.” Practical Fishkeeping, 14 May 2019, www.practicalfishkeeping.co.uk/features/freshwater-shrimps-the-next-generation/.

Lynn, Michael. "The psychology of unavailability: Explaining scarcity and cost effects on value." Basic and Applied Social Psychology 13.1 (1992): 3-7.

Verhallen, Theo MM, and Henry SJ Robben. "Unavailability and the evaluation of goods." KYKLOS-BERNE- 48 (1995): 369-369.

Direct download: The_Worlds_Most_Expensive_Shrimp_10k.mp4
Category:general -- posted at: 1:53pm EDT

Find out more about our sewers from the In Deep podcast at https://www.indeep.org.

The old combined sewer systems of many major cities are no match for modern storms and impermeable surfaces.

Thanks also to our Patreon patrons https://www.patreon.com/MinuteEarth and our YouTube members.
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To learn more, start your googling with these keywords:
Combined Sewer System: Sewers designed to collect domestic sewage and storm runoff in the same wastewater pipe.
Wastewater Treatment Plant: A facility that filters and cleans wastewater before sending it into nearby waterways.
Combined Sewer Overflow: When the wastewater in a combined sewer system exceeds a certain limit, it bypasses the wastewater treatment plant and goes directly into nearby waterways.
Extreme Rainfall: Storms that cause the wettest days of the year in a particular geographic area.
Invasive Species: Any kind of organism that gets introduced to a new environment and causes harm.
Deep Tunnel Project: A $3 billion civil engineering megaproject designed to reduce flooding in the metropolitan Chicago area.
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___________________________________________
Credits (and Twitter handles):
Script Writer, Narrator, and Video Director: David Goldenberg (@dgoldenberg)
Video Illustrator: Arcadi Garcia Rius (@garirius)
With Contributions From: Henry Reich, Alex Reich, Ever Salazar, Peter Reich, Julián Gómez, Kate Yoshida, Sarah Berman

Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder
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References:

Tibbets, J. (2005). Combined Sewer Systems: Down, Dirty, and Out of Date. Environmental Health Perspectives. 113(7): A464–A467. Retrieved from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1257666/.

Olds HT, Corsi SR, Dila DK, Halmo KM, Bootsma MJ, McLellan SL. (2018). High levels of sewage contamination released from urban areas after storm events: A quantitative survey with sewage specific bacterial indicators. PLoS Med. 15(7): e1002614. Retrieved from: https://doi.org/10.1371/journal.pmed.1002614.

Walsh, J., D. Wuebbles, K. Hayhoe, J. Kossin, K. Kunkel, G. Stephens, P. Thorne, R. Vose, M. Wehner, J. Willis, D. Anderson, S. Doney, R. Feely, P. Hennon, V. Kharin, T. Knutson, F. Landerer, T. Lenton, J. Kennedy, and R. Somerville. (2014) Ch. 2: Our Changing Climate. Climate Change Impacts in the United States: The Third National Climate Assessment, J. M. Melillo, Terese (T.C.) Richmond, and G. W. Yohe, Eds., U.S. Global Change Research Program, 19-67. Retrieved from: https://nca2014.globalchange.gov/report/our-changing-climate/heavy-downpours-increasing

Melosi, Martin. (2000). The Sanitary City: Urban Infrastructure in America from Colonial Times to the Present. Johns Hopkins University Press.

Grabar, Henry. (2019). Tunnel Vision. Slate. Retrieved from: https://slate.com/business/2019/01/chicagos-deep-tunnel-is-it-the-solution-to-urban-flooding-or-a-cautionary-tale.html

Direct download: Why_Sewers_Around_the_World_Keep_Overflowing.mp4
Category:general -- posted at: 1:52pm EDT

Sign up for your FREE trial to The Great Courses Plus here: http://ow.ly/Nkq830qWCSh
Our new evolution simulator reveals that extinction often happens when conditions change quickly. Check it out here: https://labs.minutelabs.io/evolution-simulator/

Thanks also to our Patreon patrons https://www.patreon.com/MinuteEarth and our YouTube members.
___________________________________________
To learn more, start your googling with these keywords:
Extinction: The moment when the last individual of a particular species dies.
Interspecific Competition: When individuals of different species compete for the same resources or habitats.
Thylacine: The so-called Tasmanian Tiger, it is one of the largest predatory marsupials; the last known individual was captured in 1933.
Invasive Species: Any kind of organism that gets introduced to a new environment and causes harm.
Holocene Extinction: The so-called sixth mass extinction, mostly involving larger animals, that started at the end of the last Ice Age, mostly due to human activity. Extinction rates during this time are 100-1000 times higher than usual.
Anagenesis: The gradual evolution of a species over time.
_________________________________________
Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd
Support us on Patreon: https://goo.gl/ZVgLQZ
And visit our website: https://www.minuteearth.com/

Say hello on Facebook: http://goo.gl/FpAvo6
And Twitter: http://goo.gl/Y1aWVC

And download our videos on itunes: https://goo.gl/sfwS6n
___________________________________________
Credits:
Script Writer: David Goldenberg
Video Illustrators: Sarah Berman and Jasper Palfree
Video Director: Kate Yoshida and David Goldenberg
Video Narrator: Kate Yoshida and Jasper Palfree
With Contributions From: Henry Reich, Alex Reich, Ever Salazar, Peter Reich, Julián Gómez, Arcadi Garcia Rius
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder

Audio Effect: Scratch Speed by Freesound.org user Racoonanimator

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References:

Cahill, A., Aiello-Lammens, M., M. Caitlin Fisher-Reid, Xia Hua, Caitlin J. Karanewsky, Hae Yeong Ryu, Gena C. Sbeglia, Fabrizio Spagnolo, John B. Waldron, Omar Warsi and John J. Wiens (2013). How does climate change cause extinction? Proceedings of the Royal Society. 280 (1750). Retrieved from: https://royalsocietypublishing.org/doi/10.1098/rspb.2012.1890.

Marcel Cardillo, Georgina M. Mace, Kate E. Jones, Jon Bielby, Olaf R. P. Bininda-Emonds, Wes Sechrest, C. David L. Orme, Andy Purvis (2005). Multiple Causes of High Extinction Risk in Large Mammal Species. Science. 309(5738). Retrieved from: https://science.sciencemag.org/content/309/5738/1239.abstract.

Craig Loehle, Willis Eschenbach (2011). Historical bird and terrestrial mammal extinction rates and causes. Diversity and Distributions, 18(1), 84-91. Retrieved from: https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1472-4642.2011.00856.x

Johnson, CN, Wroe, S. (2003). Causes of Extinction of Vertebrates during the Holocene of Mainland Australia: Arrival of the Dingo, or Human Impact?. The Holocene. 13 (6): 941–948. Retrieved from: https://journals.sagepub.com/doi/10.1191/0959683603hl682fa

Seth M. Rudman, Dolph Schluter. (2016).Ecological Impacts of Reverse Speciation in Threespine Stickleback. Current Biology, 26(4), 490-495. Retrieved from: https://www.sciencedirect.com/science/article/pii/S0960982216000403.

Direct download: How_To_Go_Extinct.mp4
Category:general -- posted at: 1:51pm EDT

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