Most of us can only see certain wavelengths of light our entire lives. So why can salmon switch on night vision? We'll learn how they can reshape their eyes to see into the infrared.
Hosted by: Stefan Chin (he/him)
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Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
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Sources:
https://pubmed.ncbi.nlm.nih.gov/16292551/
https://www.cell.com/current-biology/fulltext/S0960-9822(15)01246-4
https://royalsocietypublishing.org/doi/10.1098/rsos.170362
https://source.wustl.edu/2015/11/freshwater-fish-amphibians-supercharge-their-ability-to-see-infrared-light/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3546623/
https://link.springer.com/article/10.1007/s10750-022-04932-7
https://askabiologist.asu.edu/rods-and-cones
https://thebrain.mcgill.ca/flash/d/d_02/d_02_m/d_02_m_vis/d_02_m_vis.html
https://thebrain.mcgill.ca/flash/i/i_02/i_02_m/i_02_m_vis/i_02_m_vis.html#2
https://thebrain.mcgill.ca/flash/a/a_02/a_02_m/a_02_m_vis/a_02_m_vis.html#2
https://journals.physiology.org/doi/abs/10.1152/jappl.1949.1.11.807
Image Sources:
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https://www.gettyimages.com/detail/photo/salmon-in-rays-of-light-royalty-free-image/486139401?phrase=salmon+swimming+underwater&adppopup=true
https://www.gettyimages.com/detail/photo/on-my-way-back-royalty-free-image/1048000862
https://www.nature.com/articles/s41598-020-63997-3
https://www.nasa.gov/directorates/heo/scan/spectrum/overview/index.html
https://www.gettyimages.com/detail/photo/eye-detail-australian-salmon-royalty-free-image/1318624878?phrase=salmon+eye&adppopup=true
https://www.gettyimages.com/detail/illustration/photoreceptor-cells-royalty-free-illustration/836368180?phrase=photoreceptor&adppopup=true
https://commons.wikimedia.org/wiki/File:Leopard_Frog_(30223128018).jpg
https://www.gettyimages.com/detail/photo/recording-heat-loss-at-the-house-royalty-free-image/513904309?phrase=infrared&adppopup=true
https://www.gettyimages.com/detail/photo/cock-salmon-leaping-vertical-royalty-free-image/531973602?phrase=salmon+swimming&adppopup=true
https://commons.wikimedia.org/wiki/File:Leopard_Frog_2_(30223123828).jpg
https://www.gettyimages.com/detail/video/sockeye-salmon-jumping-brooks-falls-in-katmai-national-stock-footage/1406815575?adppopup=true
https://www.gettyimages.com/detail/photo/wild-salmon-underwater-migration-royalty-free-image/1338749711?phrase=salmon+swimming&adppopup=true
https://www.gettyimages.com/detail/illustration/enzyme-vector-illustration-labeled-cycle-and-royalty-free-illustration/1061592944?phrase=enzyme&adppopup=true
https://www.gettyimages.com/detail/video/fresh-organic-carrots-closeup-stock-footage/146234651?adppopup=true
https://www.gettyimages.com/detail/video/close-up-of-salmon-stock-footage/1290473347?adppopup=true
https://www.gettyimages.com/detail/photo/salmon-columbia-river-oregon-royalty-free-image/614738742?phrase=salmon+underwater&adppopup=true
https://www.gettyimages.com/detail/photo/which-is-better-1-or-2-royalty-free-image/1306474551?phrase=vision+test&adppopup=true
https://www.gettyimages.com/detail/video/coho-silver-salmon-stock-footage/1178134504?adppopup=true
https://www.gettyimages.com/detail/photo/night-vision-goggles-on-military-helmet-closeup-royalty-free-image/1404026967?phrase=night+vision+goggles&adppopup=true
Hosted by: Stefan Chin (he/him)
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
----------
Looking for SciShow elsewhere on the internet?
SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/
TikTok: https://www.tiktok.com/@scishow
Twitter: http://www.twitter.com/scishow
Instagram: http://instagram.com/thescishowFacebook: http://www.facebook.com/scishow
#SciShow #science #education #learning #complexly
----------
Sources:
https://pubmed.ncbi.nlm.nih.gov/16292551/
https://www.cell.com/current-biology/fulltext/S0960-9822(15)01246-4
https://royalsocietypublishing.org/doi/10.1098/rsos.170362
https://source.wustl.edu/2015/11/freshwater-fish-amphibians-supercharge-their-ability-to-see-infrared-light/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3546623/
https://link.springer.com/article/10.1007/s10750-022-04932-7
https://askabiologist.asu.edu/rods-and-cones
https://thebrain.mcgill.ca/flash/d/d_02/d_02_m/d_02_m_vis/d_02_m_vis.html
https://thebrain.mcgill.ca/flash/i/i_02/i_02_m/i_02_m_vis/i_02_m_vis.html#2
https://thebrain.mcgill.ca/flash/a/a_02/a_02_m/a_02_m_vis/a_02_m_vis.html#2
https://journals.physiology.org/doi/abs/10.1152/jappl.1949.1.11.807
Image Sources:
https://www.gettyimages.com/detail/photo/silhouette-of-a-man-standing-in-a-dark-room-lit-by-royalty-free-image/1178720669?phrase=dark+house&adppopup=true
https://www.gettyimages.com/detail/photo/salmon-in-rays-of-light-royalty-free-image/486139401?phrase=salmon+swimming+underwater&adppopup=true
https://www.gettyimages.com/detail/photo/on-my-way-back-royalty-free-image/1048000862
https://www.nature.com/articles/s41598-020-63997-3
https://www.nasa.gov/directorates/heo/scan/spectrum/overview/index.html
https://www.gettyimages.com/detail/photo/eye-detail-australian-salmon-royalty-free-image/1318624878?phrase=salmon+eye&adppopup=true
https://www.gettyimages.com/detail/illustration/photoreceptor-cells-royalty-free-illustration/836368180?phrase=photoreceptor&adppopup=true
https://commons.wikimedia.org/wiki/File:Leopard_Frog_(30223128018).jpg
https://www.gettyimages.com/detail/photo/recording-heat-loss-at-the-house-royalty-free-image/513904309?phrase=infrared&adppopup=true
https://www.gettyimages.com/detail/photo/cock-salmon-leaping-vertical-royalty-free-image/531973602?phrase=salmon+swimming&adppopup=true
https://commons.wikimedia.org/wiki/File:Leopard_Frog_2_(30223123828).jpg
https://www.gettyimages.com/detail/video/sockeye-salmon-jumping-brooks-falls-in-katmai-national-stock-footage/1406815575?adppopup=true
https://www.gettyimages.com/detail/photo/wild-salmon-underwater-migration-royalty-free-image/1338749711?phrase=salmon+swimming&adppopup=true
https://www.gettyimages.com/detail/illustration/enzyme-vector-illustration-labeled-cycle-and-royalty-free-illustration/1061592944?phrase=enzyme&adppopup=true
https://www.gettyimages.com/detail/video/fresh-organic-carrots-closeup-stock-footage/146234651?adppopup=true
https://www.gettyimages.com/detail/video/close-up-of-salmon-stock-footage/1290473347?adppopup=true
https://www.gettyimages.com/detail/photo/salmon-columbia-river-oregon-royalty-free-image/614738742?phrase=salmon+underwater&adppopup=true
https://www.gettyimages.com/detail/photo/which-is-better-1-or-2-royalty-free-image/1306474551?phrase=vision+test&adppopup=true
https://www.gettyimages.com/detail/video/coho-silver-salmon-stock-footage/1178134504?adppopup=true
https://www.gettyimages.com/detail/photo/night-vision-goggles-on-military-helmet-closeup-royalty-free-image/1404026967?phrase=night+vision+goggles&adppopup=true
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