Curiosity Weekly

Today, you’ll learn about a new ink that can 3D print inside your body using soundwaves, why saying no to invitations isn’t as bad as you might think, and some new drugs that could potentially make your dog live longer.  

3D Ink 

• “Soundwaves Harden 3D-Printed Treatments in Deep Tissues.” by Michaela Martinez. 2023.  
• “Dental curing light.” Wikipedia.  
• “Self-enhancing sono-inks enable deep-penetration acoustic volumetric printing.” by Xiao Kuang, et al. 2023.   

RSVP No 

• “Just say no to that invitation.” n.a. 2023.  
• “Saying No: The Negative Ramifications From Invitation Declines Are Less Severe Than We Think.” By Julian Givi & Colleen P. Kirk. 2023.  

Old Dogs 

• “Could a Drug Give Your Pet More Dog Years?” by Emily Anthes. 2023.  
• “Forget Botox. Anti-Aging Pills May Be Next.” by Andrew Pollack. 2023.  
• “We’re helping dogs like yours live longer.” Loyal website. N.d.  
• “Discovering the keys to a healthy lifespan.” Dog Aging Project website. 2023. 

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 why you may want to consider letting yourself daydream, how a sense of humor might protect you from depression and anxiety, and the effects of caffeine on the performance of soccer players.  

Daydream Brain  

• “What Happens in the Brain While Daydreaming?” by Catherine Caruso. 2023.  
• “Is the role of sleep in memory consolidation overrated?” by Mohammad Dastgheib, et al. 2022.  
• “Cortical reactivations predict future sensory responses.” by Nghia D. Nguyen, et al. 2023.  
• “Why Daydreaming Is Good For Us.” by David B. Feldman Ph.D. 2017.  

Power of a Laugh 

• “Your type of humor might say something about your risk of depression and anxiety.” by Eric W. Dolan. 2023.  
• “Understanding the Association Between Humor and Emotional Distress: The Role of Light and Dark Humor in Predicting Depression, Anxiety, and Stress.” by Alberto Dionigi, et al. 2023.  

Caffeine & Soccer  

• “Caffeine highs and lows footballers should be aware of.” n.a. 2023.  
• “The effects of acute caffeine ingestion on decision-making and pass accuracy in young soccer players: A preliminary randomized controlled trial.” by Negar Jafari, et al. 2023.  

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 139 genes that set the human mind apart from our primate cousins, a new gel that could change the game for those suffering from dry mouth, and why psychopaths could be immune from the contagious yawn. 

Human Genes  

• “139 Genes Set Human Cognitive Ability Apart From Other Primates.” by Sarah Whelan, PhD. 2023.  
• “Comparative single-cell transcriptomic analysis of primate brains highlights human-specific regulatory evolution.” by Hamsini Suresh, et al. 2023.  
• “Middle Temporal Gyrus.” by Kostas Konstantopoulos & Dimitrios Giakoumettis. 2023.  

Dry Mouth Relief  

• “New Microgel Lubricant Could Provide Relief From Dry Mouth.” by Alexander Beadle. 2023.  
• “How Common is Dry Mouth? Systematic Review and Meta-Regression Analysis of Prevalence Estimates.” by Bernardo Antonio Agostini, et al. 2018.  
• “Benchmarking of a microgel-reinforced hydrogel-based aqueous lubricant against commercial saliva substitutes.” by Olivia Pabois, et al. 2023.  

Yawning Psychopaths  

• “Why Psychopaths Are Immune to Contagious Yawning.” by Gary Drevitch. 2015.  
• “Psychopathy.” n.a. N.d.  
• “Contagious and spontaneous yawning in autistic and typically developing children.” by Fiorenza Giganti & Maria Esposito Ziello. 2009.  

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 how the bilingual brain might be better at multitasking, good news for women who are at risk for morning sickness, and the strangely complex science behind cat purring. 

Bilingual Brain 

• “The bilingual brain may be better at ignoring irrelevant information.” EurekAlert!. 2023.  
• “Bilingual attentional control: Evidence from the Partial Repetition Cost paradigm.” by Grace deMeurisse & Edith Kaan. 2023.  

Morning Sickness 

• “Cause of Morning Sickness and a Potential Treatment Identified.” by Rhianna-lily Smith. 2023. 
• “GDF15: emerging biology and therapeutic applications for obesity and cardiometabolic disease.” by Dongdong Wang, et al. 2021.  
• “GDF15 linked to maternal risk of nausea and vomiting during pregnancy.” by M. Fejzo, et al. 2023. 

Cat Purrs 

• “How do cats purr? New finding challenges long-held assumptions.” by Phie Jacobs. 2023.  
• “Domestic cat larynges can produce purring frequencies without neural input.” by Christian T. Herbst, et al. 2023.  
• “How Low Can You Go? Physical Production Mechanism of Elephant Infrasonic Vocalizations.” by Christian T. Herbst, et al. 2012.  

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 how babies pick up language before they’re even born, an AI that takes on the busy work for doctors, and new insight into how humans collaborate.  

Baby Language 

• “Babies’ Brains Are Primed For Their Native Language Before Birth.” by Nyla Husain. 2023.  
• “Prenatal experience with language shapes the brain.” by Benedetta Mariani. 2023.  
• “The What and When of Universal Perception: A Review of Early Speech Sound Acquisition.” by Katerina Chladkova & Nikola Paillereau. 2020.  

AI Medicine 

• “Medical AI tool from UF, NVIDIA gets human thumbs-up in first study.” by Jim W. Harper. 2023.  
• “AI Training AI: GatorTronGPT at the Forefront of University of Florida’s Medical AI Innovations.” by Mona Flores. 2023.  
• “A study of generative large language model for medical research and healthcare.” by Cheng Peng, et al. 2023.  
• “Physicians, paperwork, and paying attention to patients.” by Dr. Monique Tello. 2016.  

Human Collaboration  

• “How we play together.” n.a. 2023.  
• “The evolution of human cooperation.” Coren L. Apicella & Joan B. Silk. 2019.  

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 new brain interface that allows people to play games with their minds, how bad luck might make you less committed to achieving greatness, and some alarming news about how the way humans use salt is not just bad for our bodies, but the planet as well.  

Brain Game  

• “New brain-computer interface allows people to play a game using their thoughts.” by Vladimir Hedrih. 2023.  
• “Combining brain-computer interfaces and multiplayer video games: an application based on c-VEPs.” by Selene Moreno-Calderon, et al. 2023.  

Goal Paralysis  

• “Goal paralysis: How bad luck affects goal commitment.” by Cony M. Ho, et al. 2023.  
• “Today Is Just Not My Day: Bad Luck’s Effect on Goal Pursuit.” by Cony M. Ho, et al. 2023. 

Salt Cycle 

• “Humans are disrupting natural ‘salt cycle’ on a global scale, new study shows.” EurekAlert! 2023.  
• “Cary Institute Report on Sustainable Road Salt Use.” Cary Institute. 2019.  

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 brain’s ability - or inability - to rewire itself, the imagination of rats, and how dogs can have a positive effect on those suffering from PTSD.  

Brain Rewiring  

• “Our brains are not able to ‘rewire’ themselves, despite what most scientists believe, new study argues.” University of Cambridge. 2023.  
• “Against cortical reorganisation.” by Tamar R. Makin & John W. Krakauer. 2023.  

Rat Imagination  

• “Rats have an imagination, new research finds.” EurekAlert! 2023.  
• “Volitional activation of remote place representations with a hippocampal brain-machine interface.” by Chongxi Lai, et al. 2023.  

Dogs & PTSD 

• “Contact with a service dog might help individuals with PTSD sleep better, study finds.” by Vladimir Hedrih. 2023.  
• “Paws for Purple Hearts - Service Dogs for our Warriors.” Website. 2023. 
• “Heart rate during sleep in PTSD patients: Moderation by contact with a service dog.” by Steven H. Woodward, et al. 2023.  

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 microchip-sized laboratory, how childhood traumas can lead to a lifetime of headaches, and strange blobs in the Earth’s mantle.  

Lab on a Chip 

• “‘Lab on a chip’ genetic test device can identify viruses within three minutes with highest accuracy.” University of Bath. 2023.  
• “LoCKAmp: lab-on-PCB technology for <3 minute virus genetic detection.” by Sotirios Papamatthaiou, et al. 2023.  
• “What’s the difference between a PCR and antigen COVID-19 test?” by Nate Hafer, PhD. 2021.  

Trauma Headaches 

• “Adverse Childhood Experiences and Primary Headache Disorders.” by Claudia Sikorski, et al. 2023.  
• “The global prevalence of headache: an update, with analysis of the influences of methodological factors on prevalence estimates.” by Lars Jacob Stovner, et al. 2022.  

Mantle Blobs 

• “Strange blobs in Earth’s mantle are relics of a massive collision.” by Anil Oza. 2023.  
• “Earth’s Hidden Guests: Strange Blobs in Deep Mantle Are the Remains of an Ancient Planet.” by California Institute of Technology. 2023.  
• “How and When the Earth and Moon Formed.” by Sasha Warren. 2021.  

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 new blood test that could revolutionize bipolar diagnoses, how music could help knock out pain, and how a changing climate is changing puffins.  

Bipolar Blood Test 

• “Simple blood test can help diagnose bipolar disorder.” University of Cambridge. 2023.  
• “Bipolar Disorder.” NIH. n..d. 
• “Diagnosis and management of bipolar disorders.” by Fernando S. Goes. 2023.  

Music & Pain 

• “Emotional responses to favorite and relaxing music predict music-induced hypoalgesia.” by Darius Valevicius, et al. 2023.  
• “Editorial: Perspectives on music and pain: from evidence to theory and application.” by Annabel J. Cohen, et al. 2023.  

Puffin Hybrid 

• “Hybridization of Atlantic puffins in the Arctic coincides with 20th-century climate change.” by Oliver Kersten, et al. 2023.  
• “Atlantic Puffin.” n.a. N.d.  
• “Puffin FAQs.” Audubon. N.d.  

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 an ancient diagnostic tool getting an AI upgrade, the world’s slipperiest surface, and some insight into the minds of everyone who loves this show!  

Healthy Tongue

• “Eyes may be the window to your soul, but the tongue mirrors your health.” University of South Australia. 2023.  
• “Ancient tongue diagnosis for the 21st century dental hygienist.” by Kathryn Gilliam. 2023.  
• “Analysis of Tongue Color-Associated Features among Patients with PCR-Confirmed COVID-19 Infection in Ukraine.” by Liudmyla Horzov. 2021. 

Slippery Surface

• “Droplet slipperiness despite surface heterogeneity at molecular scale.” by Sakari Lepikko, et al. 2023.  
• “Slippery Science: Crafting the World’s Most Water-Repellent Surface.” by Aalto University. 2023.  

Curious for Answers

• “Curiosity evolves as information unfolds.” by Abigail Hsiung, et al. 2023.  
• “Unraveling Curiosity: Why We Savor the Suspense and Shun Spoilers.” Neuroscience.com. 2023.  

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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