Today, you’ll learn about how some sharks do in fact sleep, how sharks are fighting climate change, and how some sharks glow in the dark!

Shark nap time.

• “Sharks Sleep, Even When Both Eyes Are Wide Open” by Veronique Greenwood
  • https://www.nytimes.com/2022/03/09/science/sharks-sleep.html
• “Behavioural Sleep in Two Species of Buccal Pumping Sharks” by Michael Kelly, et al.
  • https://onlinelibrary.wiley.com/doi/10.1111/jsr.13139
• “Analysis of Draughtsboard Sharks’ Metabolic Rates Suggests They Sleep” by Bob Yirka
  • https://phys.org/news/2022-03-analysis-draughtsboard-sharks-metabolic.html
• “Catshark” by Wikipedia
  • https://en.wikipedia.org/wiki/Catshark
• “Snake” by The San Diego Zoo
  • https://animals.sandiegozoo.org/animals/snake
• “Meet the Animals That Literally Sleep with One Eye Open” by Gian Gastone Mascetti
  • https://www.scientificamerican.com/article/meet-the-animals-that-literally-sleep-with-one-eye-open/

Sharks are good for the earth.

• “California Is About to Test Its First Solar Canals” by Roger Bales
  • https://www.smithsonianmag.com/innovation/california-is-about-to-test-its-first-solar-canals-180979637/
• “Project Nexus: Water & Energy Integration for the Future” by TID Water and Power
  • https://www.tid.org/about-tid/current-projects/project-nexus/
• “Energy and Water Co-Benefits from Covering Canals with Solar Panels” by Brandi McKuin, et al.
  • https://doi.org/10.1038/s41893-021-00693-8
• “NOAA Drought Task Force Report on the 2020–2021 Southwestern U.S. Drought” by NOAA Drought Task Force IV
  • https://www.drought.gov/documents/noaa-drought-task-force-report-2020-2021-southwestern-us-drought
• “New NOAA Report: Exceptional Southwest Drought Exacerbated” by Human-Caused Warming by NOAA/NIDIS
  • https://www.drought.gov/news/new-noaa-report-exceptional-southwest-drought-exacerbated-human-caused-warming
• “California Approves New Water Restrictions Amid Worsening Drought” by Soumya Karlamangla
  • https://www.nytimes.com/2022/05/25/us/california-drought-water-restrictions.html
• “California State Water Project” by Wikipedia
  • ​​https://en.wikipedia.org/wiki/California_State_Water_Project
• “California Agricultural Production Statistics” by California Department of Food and Agriculture
  • https://www.cdfa.ca.gov/statistics/

A different kind of night light.

• "This deep-sea shark is one of the world’s largest glowing animals" by Annie Roth
  • https://www.nationalgeographic.com/animals/article/deep-sea-shark-largest-glowing-animal-bioluminescence
• “Quantification of bioluminescence from the surface to the deep sea demonstrates its predominance as an ecological trait” by Séverine Martini & Steven H. D. Haddock
  • https://www.nature.com/articles/srep45750

For more about sharks, head to SharkWeek.com and don't miss #SharkWeek starting 7/24 on Discovery and streaming on discovery+.

Find episode transcripts here: https://curiosity-daily-4e53644e.simplecast.com/episodes/sleepy-sharks-sharks-love-grass-glow-in-the-shark

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