Today, you’ll learn about the demand for a compound called squalene that is decimating deepwater shark populations, an amazing effort to create an eco-friendly lubricant using green chemistry, and the surprising connection between shepherds, women, and wildfires.

Shark Oil

• “Deepwater Sharks Are Threatened by Demand for Liver Oil.” by David Shiffman. 2024.
• “100 Million Sharks Killed Every Year, Study Show On Eve of International Conference on Shark Protection.” National Geographic. 2013.
• “Fishing for oil and meat drives irreversible defaunation of deepwater sharks and rays.” by Brittany Finucci, et al. 2024.

Eco-Friendly Lubricant

• “New eco-friendly lubricant additives protect turbine equipment, waterways.” EurekAlert! 2024.
• “Minimizing Toxicity and Optimizing Lubricity of Ionic Liquids for Eco-Friendly Lubrication.” by Xin He, et al. 2024.

Historic Land Management

• “Anthropologist documents how women and shepherds historically reduced wildfire risk in Central Italy.” EurekAlert! 2024.
• “Wildfires as legacies of agropastoral abandonment: Gendered litter raking and managed burning as historic fire prevention practices in the Monte Pisano of Italy.” by Andrew S. Mathews & Fabio Malfatti. 2024.

Follow Curiosity Daily on your favorite podcast app to get smarter with Calli and Nate — for free! Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.

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Today, you’ll learn about a newly discovered deep sea ghost shark, the best way to treat prolonged grief disorder, and how the blood vessels in our brain coordinate to improve brain functioning.

Ghost Shark

• “‘Ghost shark’ with enormous head and giant iridescent eyes discovered off Thailand.” by Elise Poore. 2024.
• “Chimaera.” Shark Trust. 2020.
• “Chimaera supapae (Holocephali: Chimaeriformes: Chimaeridae), a new species of chimaera from the Andaman Sea of Thailand.” by David A. Ebert, et al. 2024.

Grief Treatment

• “Which therapy works best to treat prolonged grief disorder?” by Lachlan Gilbert. 2024.
• “Cognitive Behavior Therapy vs Mindfulness in Treatment of Prolonged Grief Disorder.” by Richard A. Bryant, et al. 2024.
• “Comparing the efficacy of mindfulness-based therapy and cognitive-behavioral therapy for depression in head-to-head randomized controlled trials: A systematic review and meta-analysis of equivalence.” by Kristine Tretto Sverre, et al. 2022.
• “Prolonged Grief Disorder.” Psychology Today. N.d.

Blood Vessel Coordination

• “Coordinating Blood Vessel Activity Might be Associated with Better Brain Performance.” Tohoku University. 2024.
• “Plastic vasomotion entrainment.” by Daichi Sasaki, et al. 2024.

Follow Curiosity Daily on your favorite podcast app to get smarter with Calli and Nate — for free! Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.

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Today, you’ll learn about the incredible dynamics that make the thresher shark so good at threshing, how people with a rare growth disorder might actually have an advantage that leads to longer lifespans, and why people listen to sad music.

Thresher Shark

• Fear the Tails, Not the Jaws, of These ‘Weirdo’ Sharks.” by Kate Golembiewski. 2024.
• “Vertebral morphology in the tail-whipping common thresher shark, Alopias vulpinus.” by Jamie L. Knaub, et al. 2024.

Laron Syndrome

• “People with Rare Longevity Mutation May Also Be Protected from Cardiovascular Disease.” by Beth Newcomb. 2024.
• “Normal or improved cardiovascular risk factors in IGF-I-deficient adults with growth hormone receptor deficiency.” by Jaime Guevara-Aguirre, et al. 2024.

Sad Music

• “New insights into the psychological enigma of sad music.” by Eric W. Dolan. 2024.
• “Liking music with and without sadness: Testing the direct effect hypothesis of pleasurable negative emotion.” by Emery Schubert. 2024.

Follow Curiosity Daily on your favorite podcast app to get smarter with Calli and Nate — for free! Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.

Hosted on Acast. See acast.com/privacy for more information.